HISTORY

Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
13,730,000,000ya									The Big Bang Photon Epoch
13,729,923,000ya									Photon Epoch Matter dominates
13,729,623,000ya									Microwave background radiation created H and He atoms form
13,580,000,000ya									Dark ages, universe opaque First stars and quasars
12,930,000,000ya									First stars and quasars
12,730,000,000ya
8,300,000,000ya									Milky Way Galaxy formed
4,600,000,000ya									Solar system formation
4,567,170,000ya	Precambrian,	Hadean,	Cryptic,						Earth's formation Earth Bombardment by about 15 objects 100mi wide, some 200mi wide
4,500,000,000ya	Precambrian,	Hadean,	Cryptic,						Earth struck by 4000 mi wide object, creates moon Earth Bombardment by about 15 objects 100mi wide, some 200mi wide
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
4,400,000,000ya	Precambrian,	Hadean,	Cryptic,						Liquid Water and Atmosphere existed Earth Bombardment by about 15 objects 100mi wide, some 200mi wide
4,200,000,000ya	Precambrian,	Hadean,	Cryptic,						Placid not hellish, possibly even frozen Sun 30% cooler than today Evidence of plate tectonics Earth Bombardment by about 15 objects 100mi wide, some 200mi wide
4,150,000,000ya	Precambrian,	Hadean,	Basin Groups,						Earth Bombardment by about 15 objects 100mi wide, some 200mi wide
3,920,000,000ya	Precambrian,	Hadean,	Nectarian,						Formation of Moon's Crust Earth Bombardment by about 15 objects 100mi wide, some 200mi wide
3,850,000,000ya	Precambrian,	Hadean,	Early Imbrian,						Late Heavy Bombardment Eased
3,830,000,000ya	Precambrian,	Hadean,	Early Imbrian,						Evidence of microbial life in Greenland
3,800,000,000ya	Precambrian,	Archean,	Eoarchean,						Earth heat flow 3x of today Earth volcanic activity considerably higher than today
3,600,000,000ya	Precambrian,	Archean,	Paleoarchean,						Earth volcanic activity considerably higher than today
3,460,000,000ya	Precambrian,	Archean,	Paleoarchean,						Earth volcanic activity considerably higher than today Oldest clear evidence of life, well-preserved bacteria
3,200,000,000ya	Precambrian,	Archean,	Mesoarchean,						Earth volcanic activity considerably higher than today
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
3,100,000,000ya	Precambrian,	Archean,	Mesoarchean,						Earth volcanic activity considerably higher than today Supercontinent Vaalbara
2,800,000,000ya	Precambrian,	Archean,	Neoarchean,						Earth volcanic activity considerably higher than today Oxygen photosynthesis evolves
2,724,000,000ya	Precambrian,	Archean,	Neoarchean,						Earth volcanic activity considerably higher than today Earliest stromatolites, rocks formed by cyanobacteria Oxygen photosynthesis evolves
2,700,000,000ya	Precambrian,	Archean,	Neoarchean,						Earth volcanic activity considerably higher than today Oxygen photosynthesis evolves Evidence of early stem eukaryotes Supercontinent Kenorland
2,500,000,000ya	Precambrian,	Proterozoic,	Paleoproterozoic,	Siderian,					Earth heat flow 2x of today Banded iron formations peak, anaerobic algae waste oxygen combined with iron, clearing iron from ocean Supercontinent Kenorland
2,450,000,000ya	Precambrian,	Proterozoic,	Paleoproterozoic,	Siderian,					Banded iron formations peak, anaerobic algae waste oxygen combined with iron, clearing iron from ocean
2,400,000,000ya	Precambrian,	Proterozoic,	Paleoproterozoic,	Siderian,					Oxygen catastrophe Banded iron formations peak, anaerobic algae waste oxygen combined with iron, clearing iron from ocean Huronian glaciation, triggered by oxygen catastrophe
2,300,000,000ya	Precambrian,	Proterozoic,	Paleoproterozoic,	Rhyacian,					Huronian glaciation, triggered by oxygen catastrophe
2,100,000,000ya	Precambrian,	Proterozoic,	Paleoproterozoic,	Rhyacian,					Eukaryotes formed in this time period Oldest surviving mountain belt: Wopmay Fault Zone, Canada
2,050,000,000ya	Precambrian,	Proterozoic,	Paleoproterozoic,	Orosirian,					Eukaryotes formed in this time period Oldest surviving mountain belt: Wopmay Fault Zone, Canada
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
2,023,000,000ya	Precambrian,	Proterozoic,	Paleoproterozoic,	Orosirian,					Eukaryotes formed in this time period Oldest surviving mountain belt: Wopmay Fault Zone, Canada Asteroid impact creates Vredefort impact structure
2,000,000,000ya	Precambrian,	Proterozoic,	Paleoproterozoic,	Orosirian,					Eukaryotes formed in this time period Oldest surviving mountain belt: Wopmay Fault Zone, Canada Supercontinent Columbia
1,900,000,000ya	Precambrian,	Proterozoic,	Paleoproterozoic,	Orosirian,					Eukaryotes formed in this time period Oldest surviving mountain belt: Wopmay Fault Zone, Canada Intense worldwide orogeny (mountain creation) Supercontinent Columbia
1,850,000,000ya	Precambrian,	Proterozoic,	Paleoproterozoic,	Orosirian,					Eukaryotes formed in this time period Oldest surviving mountain belt: Wopmay Fault Zone, Canada Intense worldwide orogeny (mountain creation) Asteroid impact creates Sudbury Basin Supercontinent Columbia
1,800,000,000ya	Precambrian,	Proterozoic,	Paleoproterozoic,	Statherian,					Eukaryotes formed in this time period Faster Earth rotation, Years of 450 days, days of 20 hours Supercontinent Columbia Common ancestors with eukaryotes
1,700,000,000ya	Precambrian,	Proterozoic,	Paleoproterozoic,	Statherian,					Eukaryotes formed in this time period Earliest potential fossils of modern groups of eukaryotes Supercontinent Columbia
1,650,000,000ya	Precambrian,	Proterozoic,	Paleoproterozoic,	Statherian,					Supercontinent Columbia
1,600,000,000ya	Precambrian,	Proterozoic,	Mezoproterozoic,	Calymmian,					Supercontinent Columbia
1,500,000,000ya	Precambrian,	Proterozoic,	Mezoproterozoic,	Calymmian,
1,400,000,000ya	Precambrian,	Proterozoic,	Mezoproterozoic,	Ectasian,					Common ancestors with plants
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
1,300,000,000ya	Precambrian,	Proterozoic,	Mezoproterozoic,	Ectasian,					Common ancestors with amoeba
1,200,000,000ya	Precambrian,	Proterozoic,	Mezoproterozoic,	Stenian,					Earliest clear fossils of modern groups of eukaryotes Earliest evidence of sexually reproducing complex multicellular life: eukaryotic red algae Common ancestors with fungi
1,100,000,000ya	Precambrian,	Proterozoic,	Mezoproterozoic,	Stenian,					Supercontinent Rodinia Common ancestors with DRIPs
1,000,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Tonian,					Supercontinent Rodinia
900,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Tonian,					Supercontinent Rodinia Common ancestors with choanoflagellates
850,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Cryogenian,					Supercontinent Rodinia
800,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Cryogenian,					Supercontinent Rodinia Common ancestors with cnidarians, ctenophores, placozoans, sponges, date and order unclear
750,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Cryogenian,				Sturtian glaciation,
700,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Cryogenian,
655,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Cryogenian,				Marinoan/Varanger glaciation,
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
635,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Ediacaran,
630,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Ediacaran,					Common ancestor with acoelomorph flatworms
620,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Ediacaran,					ice age
600,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Ediacaran,					Supercontinent Pannotia ice age
590,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Ediacaran,					Supercontinent Pannotia Common ancestor with insects and worms
570,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Ediacaran,					Supercontinent Pannotia Common ancestor with starfish, urchins, sea cucumbers
565,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Ediacaran,					Supercontinent Pannotia Common ancestor with sea squirts
560,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Ediacaran,					Supercontinent Pannotia Common ancestor with lancelets
543,000,000ya	Precambrian,	Proterozoic,	Neoproterozoic,	Ediacaran,				Montezuman,	Supercontinent Pannotia
542,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Early Cambrian, Terreneuvian,		Montezuman,	Supercontinent Pannotia
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
540,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Early Cambrian, Terreneuvian,		Montezuman,
535,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Early Cambrian, Terreneuvian,		Tommotian, Montezuman,
530,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Early Cambrian, Terreneuvian,		Tommotian, Montezuman,	Common ancestor with lampreys and hagfish
526,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Early Cambrian, Cambrian Series 2,		Atdabanian, Montezuman,
522,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Early Cambrian, Cambrian Series 2,		Botomian, Montezuman,
520,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Early Cambrian, Cambrian Series 2,		Botomian, Dyeran,
516,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Early Cambrian, Cambrian Series 2,		Toyonian, Dyeran,
514,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Early Cambrian, Cambrian Series 2,		Toyonian, Delamaran,
513,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Middle Cambrian, Cambrian Series 2,		Toyonian, Delamaran,
510,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Middle Cambrian, Cambrian Series 3,		Cambrian Stage 5, Delamaran,
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
508,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Middle Cambrian, Cambrian Series 3,		Cambrian Stage 5, Marjuman,
507,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Middle Cambrian, Cambrian Series 3,		Drumian, Marjuman,
502,500,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Middle Cambrian, Cambrian Series 3,		Guzhangian, Marjuman,
502,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Middle Cambrian, Cambrian Series 3,		Guzhangian, Steptoan,
499,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Furongian,		Paibian, Steptoan,
496,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Furongian,		Cambrian Stage 9, Sunwaptan,
492,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Furongian,		Cambrian Stage 10, Sunwaptan,
490,000,000ya		Phanerozoic,	Paleozoic,	Cambrian,		Furongian,		Cambrian Stage 10,
488,300,000ya		Phanerozoic,	Paleozoic,	Ordovician,		Early Ordovician,	Tremadocian,
478,600,000ya		Phanerozoic,	Paleozoic,	Ordovician,		Early Ordovician,	Arenig,
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
471,800,000ya		Phanerozoic,	Paleozoic,	Ordovician,		Middle Ordovician,
468,100,000ya		Phanerozoic,	Paleozoic,	Ordovician,		Middle Ordovician,	Darriwilian,
460,900,000ya		Phanerozoic,	Paleozoic,	Ordovician,		Late Ordovician,
460,000,000ya		Phanerozoic,	Paleozoic,	Ordovician,		Late Ordovician,			First terrestrial plants/fungi hyphae, algae/liverwort Common ancestor with sharks
445,600,000ya		Phanerozoic,	Paleozoic,	Ordovician,		Late Ordovician,	Hirnantian,
443,700,000ya		Phanerozoic,	Paleozoic,	Silurian,		Llandovery, Alexandrian,	Rhuddanian,
440,000,000ya		Phanerozoic,	Paleozoic,	Silurian,		Llandovery, Alexandrian,	Rhuddanian,		Supercontinent Pangaea Common ancestor with ray-finned fish
439,000,000ya		Phanerozoic,	Paleozoic,	Silurian,		Llandovery, Alexandrian,	Aeronian,		Supercontinent Pangaea
436,000,000ya		Phanerozoic,	Paleozoic,	Silurian,		Llandovery, Alexandrian,	Telychian, Ontarian,		Supercontinent Pangaea
428,200,000ya		Phanerozoic,	Paleozoic,	Silurian,		Wenlock,	Sheinwoodian, Tonawandan,		Supercontinent Pangaea
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
426,200,000ya		Phanerozoic,	Paleozoic,	Silurian,		Wenlock,	Homerian, Lockportian,		Supercontinent Pangaea
425,000,000ya		Phanerozoic,	Paleozoic,	Silurian,		Wenlock,	Homerian, Lockportian,		Supercontinent Pangaea True land plants Common ancestor with Coelacanths
422,900,000ya		Phanerozoic,	Paleozoic,	Silurian,		Ludlow,	Gorstian,		Supercontinent Pangaea
421,300,000ya		Phanerozoic,	Paleozoic,	Silurian,		Ludlow,	Ludfordian,		Supercontinent Pangaea
418,700,000ya		Phanerozoic,	Paleozoic,	Silurian,		Pridoli,	Lochkovian,		Supercontinent Pangaea
417,000,000ya		Phanerozoic,	Paleozoic,	Silurian,		Pridoli,	Lochkovian,		Supercontinent Pangaea Common ancestor with Lungfish
416,000,000ya		Phanerozoic,	Paleozoic,	Devonian,		Early Devonian,	Lochkovian,		Supercontinent Pangaea
411,200,000ya		Phanerozoic,	Paleozoic,	Devonian,		Early Devonian,	Pragian,		Supercontinent Pangaea
407,000,000ya		Phanerozoic,	Paleozoic,	Devonian,		Early Devonian,	Emsian,		Supercontinent Pangaea
397,500,000ya		Phanerozoic,	Paleozoic,	Devonian,		Middle Devonian,	Eifelian,		Supercontinent Pangaea
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
391,800,000ya		Phanerozoic,	Paleozoic,	Devonian,		Middle Devonian,	Givetian,		Supercontinent Pangaea
385,300,000ya		Phanerozoic,	Paleozoic,	Devonian,		Late Devonian,	Frasnian,		Supercontinent Pangaea
380,000,000ya		Phanerozoic,	Paleozoic,	Devonian,		Late Devonian,	Frasnian,		Supercontinent Pangaea Terrestrial seed-bearing plants, leaves, roots, trees
374,500,000ya		Phanerozoic,	Paleozoic,	Devonian,		Late Devonian,	Famennian,		Supercontinent Pangaea
374,000,000ya		Phanerozoic,	Paleozoic,	Devonian,		Late Devonian,	Famennian,		Supercontinent Pangaea Late Devonian extinction, marine only, likely due to new land vegetation, CO2 sink, cooling
359,200,000ya		Phanerozoic,	Paleozoic,	Carboniferous,	Mississippian,	Early Mississippian,	Tournaisian,		Supercontinent Pangaea
345,300,000ya		Phanerozoic,	Paleozoic,	Carboniferous,	Mississippian,	Middle Mississippian,	Vis�an,		Supercontinent Pangaea
340,000,000ya		Phanerozoic,	Paleozoic,	Carboniferous,	Mississippian,	Middle Mississippian,	Vis�an,		Supercontinent Pangaea Common ancestor with Amphibians
326,400,000ya		Phanerozoic,	Paleozoic,	Carboniferous,	Mississippian,	Late Mississippian,	Serpukhovian,		Supercontinent Pangaea
318,100,000ya		Phanerozoic,	Paleozoic,	Carboniferous,	Pennsylvanian,	Early Pennsylvanian,	Bashkirian,		Supercontinent Pangaea
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
311,700,000ya		Phanerozoic,	Paleozoic,	Carboniferous,	Pennsylvanian,	Middle Pennsylvanian,	Moscovian,		Supercontinent Pangaea
310,000,000ya		Phanerozoic,	Paleozoic,	Carboniferous,	Pennsylvanian,	Middle Pennsylvanian,	Moscovian,		Supercontinent Pangaea Common ancestor with Sauropsids (Reptiles and Birds)
306,500,000ya		Phanerozoic,	Paleozoic,	Carboniferous,	Pennsylvanian,	Late Pennsylvanian,	Kasimovian,		Supercontinent Pangaea
303,900,000ya		Phanerozoic,	Paleozoic,	Carboniferous,	Pennsylvanian,	Late Pennsylvanian,	Gzhelian,		Supercontinent Pangaea
300,000,000ya		Phanerozoic,	Paleozoic,	Carboniferous,	Pennsylvanian,	Late Pennsylvanian,	Gzhelian,		Supercontinent Pangaea X and Y chromosomes diverge
299,000,000ya		Phanerozoic,	Paleozoic,	Permian,		Cisuralian,	Asselian,		Supercontinent Pangaea
294,600,000ya		Phanerozoic,	Paleozoic,	Permian,		Cisuralian,	Sakmarian,		Supercontinent Pangaea
284,400,000ya		Phanerozoic,	Paleozoic,	Permian,		Cisuralian,	Artinskian,		Supercontinent Pangaea
275,600,000ya		Phanerozoic,	Paleozoic,	Permian,		Cisuralian,	Kungurian,		Supercontinent Pangaea
270,600,000ya		Phanerozoic,	Paleozoic,	Permian,		Guadalupian,	Roadian, Ufimian,		Supercontinent Pangaea
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
268,400,000ya		Phanerozoic,	Paleozoic,	Permian,		Guadalupian,	Wordian, Kazanian,		Supercontinent Pangaea
265,800,000ya		Phanerozoic,	Paleozoic,	Permian,		Guadalupian,	Capitanian,		Supercontinent Pangaea
260,400,000ya		Phanerozoic,	Paleozoic,	Permian,		Lopingian,	Wuchiapingian,		Supercontinent Pangaea
253,800,000ya		Phanerozoic,	Paleozoic,	Permian,		Lopingian,	Changhsingian,		Supercontinent Pangaea
251,400,000ya		Phanerozoic,	Paleozoic,	Permian,		Lopingian,	Changhsingian,		Supercontinent Pangaea Permian-Triassic extinction event, largest known, 96% marine, 70% terrestrial
251,000,000ya		Phanerozoic,	Mesozoic,	Triassic,		Early Triassic,	Induan,		Supercontinent Pangaea
249,700,000ya		Phanerozoic,	Mesozoic,	Triassic,		Early Triassic,	Olenekian,		Supercontinent Pangaea
245,000,000ya		Phanerozoic,	Mesozoic,	Triassic,		Middle Triassic,	Anisian,		Supercontinent Pangaea
237,000,000ya		Phanerozoic,	Mesozoic,	Triassic,		Middle Triassic,	Ladinian,		Supercontinent Pangaea
228,000,000ya		Phanerozoic,	Mesozoic,	Triassic,		Late Triassic,	Carnian,		Supercontinent Pangaea
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
216,500,000ya		Phanerozoic,	Mesozoic,	Triassic,		Late Triassic,	Norian,		Supercontinent Pangaea
203,600,000ya		Phanerozoic,	Mesozoic,	Triassic,		Late Triassic,	Rhaetian,		Supercontinent Pangaea
199,600,000ya		Phanerozoic,	Mesozoic,	Jurassic,		Early Jurassic,	Hettangian,		Supercontinent Pangaea
196,500,000ya		Phanerozoic,	Mesozoic,	Jurassic,		Early Jurassic,	Sinemurian,		Supercontinent Pangaea
189,600,000ya		Phanerozoic,	Mesozoic,	Jurassic,		Early Jurassic,	Pliensbachian,		Supercontinent Pangaea
183,000,000ya		Phanerozoic,	Mesozoic,	Jurassic,		Early Jurassic,	Toarcian,		Supercontinent Pangaea
180,000,000ya		Phanerozoic,	Mesozoic,	Jurassic,		Early Jurassic,	Toarcian,		Supercontinent Pangaea Common ancestor with Monotremes
175,600,000ya		Phanerozoic,	Mesozoic,	Jurassic,		Middle Jurassic,	Aalenian,		Supercontinent Pangaea
175,000,000ya		Phanerozoic,	Mesozoic,	Jurassic,		Middle Jurassic,	Aalenian,
171,600,000ya		Phanerozoic,	Mesozoic,	Jurassic,		Middle Jurassic,	Bajocian,
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
167,700,000ya		Phanerozoic,	Mesozoic,	Jurassic,		Middle Jurassic,	Bathonian,
164,700,000ya		Phanerozoic,	Mesozoic,	Jurassic,		Middle Jurassic,	Callovian,
161,200,000ya		Phanerozoic,	Mesozoic,	Jurassic,		Late Jurassic,	Oxfordian,
155,700,000ya		Phanerozoic,	Mesozoic,	Jurassic,		Late Jurassic,	Kimmeridgian,
150,800,000ya		Phanerozoic,	Mesozoic,	Jurassic,		Late Jurassic,	Tithonian,
145,500,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Early Cretaceous,	Berriasian,
140,200,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Early Cretaceous,	Valanginian,
140,000,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Early Cretaceous,	Valanginian,		Common ancestor with Marsupials
136,400,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Early Cretaceous,	Hauterivian,
130,000,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Early Cretaceous,	Barremian,		Oldest pollen (angiosperm) fossil
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
125,000,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Early Cretaceous,	Aptian,		Oldest angiosperm fossil
112,000,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Early Cretaceous,	Albian,
105,000,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Early Cretaceous,	Albian,		Common ancestor with Afrotheres (elephant, aardvark, some shrews/moles)
100,000,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Early Cretaceous,	Albian,		Saccharomyces cerevisiae yeast whole-genome duplication of Kluyveromyces waltii Great angiosperm radiation
99,600,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Late Cretaceous,	Cenomanian,
95,000,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Late Cretaceous,	Cenomanian,		Common ancestor with Xenarthrans (anteaters, armadillos, sloths)
93,500,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Late Cretaceous,	Turonian,
89,300,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Late Cretaceous,	Coniacian,
85,800,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Late Cretaceous,	Santonian,
85,000,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Late Cretaceous,	Santonian,		Common ancestor with Laurasiatheres (cats,dogs,bears,whales,bats, and lots more)
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
83,500,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Late Cretaceous,	Campanian,
75,000,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Late Cretaceous,	Campanian,		Common ancestor with rodents and rabbits
70,600,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Late Cretaceous,	Maastrichtian,
70,000,000ya		Phanerozoic,	Mesozoic,	Cretaceous,		Late Cretaceous,	Maastrichtian,		Common ancestor with Culugos and tree shrews
65,500,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Paleocene,	Danian,		Cretaceous-Tertiary extinction event, Chicxulub asteroid, 30% marine, dinosaurs 10C - 15C warmer than today
65,000,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Paleocene,	Danian,		Earliest primate, Plesiadapis, North America Ancestor small primates diet mainly of insects
63,000,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Paleocene,	Danian,		Common ancestor with Lemurs, Aye-ayes, bushbabies Ancestor small primates diet mainly of insects
61,700,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Paleocene,	Selandian,		Ancestor small primates diet mainly of insects
58,700,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Paleocene,	Thanetian,		Ancestor small primates diet mainly of insects
58,000,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Paleocene,	Thanetian,		Common ancestor with Tarsiers Ancestor small primates diet mainly of insects
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
55,800,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Eocene,	Ypresian,		CO2 2000 ppm Paleocene-Eocene Thermal Max, World temps shot up 5-8C, Artic to +23C Ancestor small primates diet mainly of insects
49,000,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Eocene,	Ypresian,		Azolla event, co2 sink starts icehouse Earth Ancestor primate diet shift from insects to fruits
48,600,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Eocene,	Lutetian,		Ancestor primate diet shift from insects to fruits
40,400,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Eocene,	Bartonian,		Ancestor primate diet shift from insects to fruits
40,000,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Eocene,	Bartonian,		Common ancestor with new world monkeys Ancestor primate diet shift from fruits to vegetables
37,200,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Eocene,	Priabonian,		Ancestor primate diet shift from fruits to vegetables
33,900,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Oligocene,	Rupelian,		Ancestor primate diet shift from fruits to vegetables
30,000,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Oligocene,	Rupelian,
28,400,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Oligocene,	Chattian,
25,000,000ya		Phanerozoic,	Cenozoic,	Paleogene,		Oligocene,	Chattian,		Common ancestor with old world monkeys
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
23,030,000ya		Phanerozoic,	Cenozoic,	Neogene,		Miocene,	Aquitanian,		Grasses became widespread
20,430,000ya		Phanerozoic,	Cenozoic,	Neogene,		Miocene,	Burdigalian,
18,000,000ya		Phanerozoic,	Cenozoic,	Neogene,		Miocene,	Burdigalian,		Common ancestor with gibbons
15,970,000ya		Phanerozoic,	Cenozoic,	Neogene,		Miocene,	Langhian,
14,000,000ya		Phanerozoic,	Cenozoic,	Neogene,		Miocene,	Langhian,		Common Ancestor with Orang-utans
13,650,000ya		Phanerozoic,	Cenozoic,	Neogene,		Miocene,	Serravallian,
11,608,000ya		Phanerozoic,	Cenozoic,	Neogene,		Miocene,	Tortonian,
7,246,000ya		Phanerozoic,	Cenozoic,	Neogene,		Miocene,	Messinian,
7,000,000ya		Phanerozoic,	Cenozoic,	Neogene,		Miocene,	Messinian,		Common Ancestor with Gorillas Ancestor prehuman diet incorporates meat
6,500,000ya		Phanerozoic,	Cenozoic,	Neogene,		Miocene,	Messinian,		Common Ancestor with Chimpanzees Ancestor prehuman diet incorporates meat
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
6,000,000ya		Phanerozoic,	Cenozoic,	Neogene,		Miocene,	Messinian,		Human Ancestors begin walking upright Ancestor prehuman diet incorporates meat
5,960,000ya		Phanerozoic,	Cenozoic,	Neogene,		Miocene,	Messinian,		Messinian Salinity Crisis, Mediterranean Sea drying out Ancestor prehuman diet incorporates meat
5,332,000ya		Phanerozoic,	Cenozoic,	Neogene,		Pliocene,	Zanclean,		Messinian Salinity Crisis, Mediterranean Sea drying out Ancestor prehuman diet incorporates meat
5,330,000ya		Phanerozoic,	Cenozoic,	Neogene,		Pliocene,	Zanclean,		Zanclean flood, refills Mediterranean Ancestor prehuman diet incorporates meat
4,100,000ya		Phanerozoic,	Cenozoic,	Neogene,		Pliocene,	Zanclean,		Last human ancestors seen with a grasping big toe
3,600,000ya		Phanerozoic,	Cenozoic,	Neogene,		Pliocene,	Piacenzian, Blancan,
3,000,000ya		Phanerozoic,	Cenozoic,	Neogene,		Pliocene,	Piacenzian, Blancan,		Ancestor human diet mixed vegetables, fruits, and some meat
2,600,000ya		Phanerozoic,	Cenozoic,	Neogene,		Pliocene,	Piacenzian, Blancan,	Paleolithic, Lower Paleolithic, Stone Age,	Human Ancestors transporting stones many km, stone butchering Ancestor human diet mixed vegetables, fruits, and some meat
2,588,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Gelasian,	Paleolithic, Lower Paleolithic, Stone Age,	Ancestor human diet mixed vegetables, fruits, and some meat
2,580,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Gelasian,	Paleolithic, Lower Paleolithic, Stone Age,	Quaternary glaciation begins (continues to present) Ancestor human diet mixed vegetables, fruits, and some meat
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
2,300,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Gelasian,	Paleolithic, Lower Paleolithic, Stone Age,	Ancestor human diet mixed vegetables, fruits, and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
2,000,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Gelasian,	Paleolithic, Lower Paleolithic, Stone Age,	Human Ancestors body and brain sizes increase Ancestor human diet mixed vegetables, fruits, and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
1,900,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Gelasian,	Paleolithic, Lower Paleolithic, Stone Age,	Human Ancestors body and brain sizes increase Human Ancestors adapt to hot climates: narrow tall bodies, smaller guts, meat eating Ancestor human diet mixed vegetables, fruits, and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
1,806,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Calabrian,	Paleolithic, Lower Paleolithic, Stone Age,	Human Ancestors body and brain sizes increase Ancestor human diet mixed vegetables, fruits, and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
1,800,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Calabrian,	Paleolithic, Lower Paleolithic, Stone Age,	Human Ancestors bone tools for termites Ancestor human diet mixed vegetables, fruits, and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
1,770,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Calabrian,	Paleolithic, Lower Paleolithic, Stone Age,	Human Ancestors bone tools for termites Human ancestor first out of Africa, Republic of Georgia Ancestor human diet mixed vegetables, fruits, and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
1,700,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Calabrian,	Paleolithic, Lower Paleolithic, Stone Age,	Human Ancestors bone tools for termites Human ancestors first in Asia Ancestor human diet mostly plants and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
1,600,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Calabrian,	Paleolithic, Lower Paleolithic, Stone Age,	Human Ancestors bone tools for termites Human ancestors hand axes Ancestor human diet mostly plants and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
1,500,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Calabrian,	Paleolithic, Lower Paleolithic, Stone Age,	Magnetic evidence of Homo Erectus control of fire Ancestor human diet mostly plants and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
1,300,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Calabrian,	Paleolithic, Lower Paleolithic, Stone Age,	Human ancestors likely in Europe Ancestor human diet mostly plants and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
800,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Calabrian,	Paleolithic, Lower Paleolithic, Stone Age,	Human ancestors hearth usage Human ancestors rapid brain expansion period Ancestor human diet mostly plants and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
790,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Calabrian,	Paleolithic, Lower Paleolithic, Stone Age,	Possible earliest primate usage of fire Human ancestors rapid brain expansion period Ancestor human diet mostly plants and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
781,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Ionian,	Paleolithic, Lower Paleolithic, Stone Age,	Human ancestors rapid brain expansion period Ancestor human diet mostly plants and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
700,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Ionian,	Paleolithic, Lower Paleolithic, Stone Age,	Human ancestors clearly in Europe Human ancestors rapid brain expansion period Ancestor human diet mostly plants and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
400,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Ionian,	Paleolithic, Lower Paleolithic, Stone Age,	H. erectus transition to H. sapiens, skull expansion, tool usage Earliest clear primate usage of fire Human ancestors rapid brain expansion period Human ancestors definite multi-shelter social groups Human ancestors cold tolerant, shorter/fatter Human ancestors spears Ancestor human diet mostly plants and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
300,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Ionian,	Paleolithic, Lower Paleolithic, Stone Age, Middle Paleolithic,	H. erectus transition to H. sapiens, skull expansion, tool usage Human ancestors rapid brain expansion period Ancestor human diet mostly plants and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
250,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Ionian,	Paleolithic, Lower Paleolithic, Stone Age, Middle Paleolithic,	Human ancestors rapid brain expansion period Human ancestors communicate with symbols Ancestor human diet mostly plants and some meat Ancestor human diet more meat due to harsh climates, fire, clothes
230,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Ionian,	Paleolithic, Lower Paleolithic, Stone Age, Middle Paleolithic,	Human ancestors rapid brain expansion period Ancestor human diet more meat due to harsh climates, fire, clothes
200,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Ionian,	Paleolithic, Lower Paleolithic, Stone Age, Middle Paleolithic,	Earliest human usage of fire with stones Candidate time period for origin of human language Ancestor human diet more meat due to harsh climates, fire, clothes
195,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Ionian,	Paleolithic, Lower Paleolithic, Stone Age, Middle Paleolithic,	Homo sapiens originate, DNA fossil evidence Ancestor human diet more meat due to harsh climates, fire, clothes
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
170,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Ionian,	Paleolithic, Lower Paleolithic, Stone Age, Middle Paleolithic,	Humans start wearing clothes Ancestor human diet more meat due to harsh climates, fire, clothes
164,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Ionian,	Paleolithic, Lower Paleolithic, Stone Age, Middle Paleolithic,	Human use of shellfish Ancestor human diet more meat due to harsh climates, fire, clothes
160,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Ionian,	Paleolithic, Lower Paleolithic, Stone Age, Middle Paleolithic,	Archaic Homo Sapiens Ancestor human diet more meat due to harsh climates, fire, clothes
140,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Ionian,	Paleolithic, Lower Paleolithic, Stone Age, Middle Paleolithic,	Human female mitochondrial common ancestor Archaic Homo Sapiens
130,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Ionian,	Paleolithic, Lower Paleolithic, Stone Age, Middle Paleolithic,	Neanderthals Archaic Homo Sapiens
126,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Lower Paleolithic, Stone Age, Middle Paleolithic,	Neanderthals Archaic Homo Sapiens
100,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Middle Paleolithic,	Neanderthals
77,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Middle Paleolithic,	Toba catastrophe Super-eruption Neanderthals
70,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Middle Paleolithic,	Toba catastrophe Super-eruption Neanderthals Start of most recent glacial, ends at 10,000
69,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Middle Paleolithic,	Neanderthals
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
60,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Middle Paleolithic,	Human male y-chromosome common ancestor Neanderthals Human cave paintings
50,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Middle Paleolithic,	Human culture: Great Leap Forward Neanderthals
45,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Middle Paleolithic, Upper Paleolithic,	Human culture: Great Leap Forward Earliest earth ovens Neanderthals
42,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Middle Paleolithic, Upper Paleolithic,	Human culture: Great Leap Forward Neanderthals Yams harvested (digging sticks found)
41,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Middle Paleolithic, Upper Paleolithic,	Human culture: Great Leap Forward Neanderthals Supernova 250 ly that impacted earth 7000 years later
40,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Middle Paleolithic, Upper Paleolithic,	Neanderthals Human figurines
37,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Middle Paleolithic, Upper Paleolithic,	Neanderthals Cro-magnons survive in cold via big-game, up to 50% meat
35,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Middle Paleolithic, Upper Paleolithic,	Cro-Magnon, first modern humans H. sapiens sapiens, Europe Neanderthals Human musical instruments Cro-magnons survive in cold via big-game, up to 50% meat
34,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Middle Paleolithic, Upper Paleolithic,	Neanderthals Cro-magnons survive in cold via big-game, up to 50% meat Supernova 250 ly particles arrive at 10,000 km per sec
30,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Upper Paleolithic,	Neanderthals Humans make well-fitted clothing with bone needles Cro-magnons survive in cold via big-game, up to 50% meat
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
28,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Upper Paleolithic,	Cro-magnons survive in cold via big-game, up to 50% meat
22,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Upper Paleolithic,	Cro-magnons survive in cold via big-game, up to 50% meat Mesolithic diet root veg, peas, beans, nuts, fruit, seafood
21,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Upper Paleolithic,	Maximum extent of most recent glacial Cro-magnons survive in cold via big-game, up to 50% meat Mesolithic diet root veg, peas, beans, nuts, fruit, seafood
20,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Upper Paleolithic, Mesolithic,	Cro-magnons survive in cold via big-game, up to 50% meat Mesolithic diet root veg, peas, beans, nuts, fruit, seafood
19,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Upper Paleolithic, Mesolithic,	Cro-magnons survive in cold via big-game, up to 50% meat Wild grains (wheat, barley) being ground Mesolithic diet root veg, peas, beans, nuts, fruit, seafood
17,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Upper Paleolithic, Mesolithic,	Humans make baskets and pottery Cro-magnons survive in cold via big-game, up to 50% meat Mesolithic diet root veg, peas, beans, nuts, fruit, seafood
15,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Upper Paleolithic, Mesolithic,	Cro-magnons survive in cold via big-game, up to 50% meat Wild grains being harvested intensely Mesolithic diet root veg, peas, beans, nuts, fruit, seafood
14,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Upper Paleolithic, Mesolithic,	North America colonized Out of Asia Cro-magnons survive in cold via big-game, up to 50% meat Mesolithic diet root veg, peas, beans, nuts, fruit, seafood
13,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Paleolithic, Stone Age, Upper Paleolithic, Mesolithic,	Tasmania isolated from Australia Cro-magnons survive in cold via big-game, up to 50% meat Mesolithic diet root veg, peas, beans, nuts, fruit, seafood 6 mile diameter low density asteroid strike, probably from supernova 41000 years ago
12,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Stone Age, Upper Paleolithic, Mesolithic,	Mesolithic diet root veg, peas, beans, nuts, fruit, seafood
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
11,500ya		Phanerozoic,	Cenozoic,	Quaternary,		Pleistocene,	Tarantian, Tyrrhenian Stage, Eemian, Sangamonian,	Stone Age, Upper Paleolithic, Neolithic,	Mesolithic diet root veg, peas, beans, nuts, fruit, seafood
11,430ya		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Stone Age, Upper Paleolithic, Neolithic,	Mesolithic diet root veg, peas, beans, nuts, fruit, seafood
11,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Stone Age, Upper Paleolithic, Neolithic,	Domesticated sheep and goats
10,500ya		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Stone Age, Upper Paleolithic, Neolithic,	Humans engage in plant and animal domestication
10,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Stone Age, Neolithic, Preboreal,	current interglaciation begins Agricultural Revolution
9,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Stone Age, Neolithic, Boreal,	Domesticated wheat, barley, legumes Meat consumption fell enormously (35% to 10%), large game dies off, grains replace Diet shift causes health to suffer: tooth decay, malnutrition, more infectious disease (could be due to crouding), height decreases 4 inches, anemia
8,000ya		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Neolithic, Atlantic,	Human symbolic alphabets
4000 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Neolithic, Atlantic,	Mid-Holocene thermal maximum, 1-2C warmer than today
3300 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Neolithic, Early Bronze Age, Atlantic,
3000 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Bronze Age, Early Bronze Age, Subboreal,
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
2200 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Bronze Age, Middle Bronze Age, Subboreal,
1550 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Bronze Age, Late Bronze Age, Subboreal,
1200 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Iron Age, Subboreal,
753 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Iron Age, Subboreal,	Founding of Rome
563 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Iron Age, Subboreal,	Siddhartha Guatama born
551 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Iron Age, Subboreal,	Confucius born
509 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Iron Age, Subboreal,	Founding of Roman Republic
500 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Iron Age, Subatlantic,
469 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Iron Age, Subatlantic,	Socrates
399 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Iron Age, Subatlantic,
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
385 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Iron Age, Subatlantic,	Plato form the Academy
335 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Iron Age, Subatlantic,	Aristotle forms Lyceum
44 B.C.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Iron Age, Subatlantic,	Julius Caesar murdered, Rome goes from republic to empire
1 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Iron Age, Subatlantic,	Human population 200m
43 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Iron Age, Subatlantic, Romano Britain,
79 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Iron Age, Subatlantic, Romano Britain,	Pompeii eruption
409 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Iron Age, Subatlantic, Invaders,
500 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Subatlantic, Invaders,
1066 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Subatlantic, Anglo-Normans,
1215 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Subatlantic, Middle Ages,
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
1347 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Subatlantic, Late Medieval,
1348 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Subatlantic, Late Medieval,	Black Death kills 30% to 60% of Europeans, World population falls from 450m to 375m
1350 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Subatlantic, Late Medieval,
1485 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Subatlantic, Tudors,
1603 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Subatlantic, Stuarts,
1604 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Subatlantic, Stuarts,	Kepler's Star, most recent visible milky-way galaxy supernovae
1714 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Subatlantic, Georgians,
1800 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene, Anthropocene,		Subatlantic, Georgians,
1832 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene, Anthropocene,		Subatlantic, Georgians,	CO2 284 ppm
1837 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene, Anthropocene,		Subatlantic, Victorians,
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
1876 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene, Anthropocene,		Subatlantic, Victorians,	Last pure Tasmanian died
1900 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene, Anthropocene,		Subatlantic, Early 20th Century,
1943 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene, Anthropocene,		Subatlantic, Early 20th Century,	Green Revolution increases agricultural output
1944 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene, Anthropocene,		Subatlantic, Post WWII,	Green Revolution increases agricultural output
1959 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene, Anthropocene,		Subatlantic, Post WWII,	Human population 3b Green Revolution increases agricultural output
1979 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene, Anthropocene,		Subatlantic, Post WWII,
1994 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene, Anthropocene,		Subatlantic, Post WWII,	28% of arable land in use, 4.71% of land area; 40% of land area in use as pasture & cropland
1995 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene, Anthropocene,		Subatlantic, Post WWII,	83% of Earth land surface directly effected by humans
1999 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene, Anthropocene,		Subatlantic, Post WWII,	Human population 6b
2007 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene, Anthropocene,		Subatlantic, Post WWII,	More humans in cities than rural areas
Start years ago	Super Eon	Eon	Era	Period	Subperiod	Epoch	Age	Other	EVENT
2009 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Subatlantic, Post WWII,	CO2 387 ppm
2012 A.D.		Phanerozoic,	Cenozoic,	Quaternary,		Holocene,		Subatlantic, Post WWII,	Human population 7b