Terra Time Line
An excerpt from the link above illustrates what may be lie ahead if the past is any indication. Earth's day used to be 6 hours and the sun has steadily grown 25% brighter over the past 4 billion years...
- 125,000 yrs ago: Eemian stage or Riss/Würm interglacial period.
Hardwood forests grew above the Arctic Circle.
Melting ice sheets increased sea level by 6 meters (20 feet)
- 110,000 yrs ago: Start of Würm/Wisconsin glacial period
- 105,000 yrs ago: Stone age humans forage for grass seeds such as sorghum.
- 80,000 yrs ago: Non-African humans interbreed with Neanderthals[28]
- 74,000 yrs ago: Toba volcanic eruption
releases large volume of sulfur dioxide
- Homo sapiens reduced to about 10,000 individuals.
- 70,000 yrs ago: Tahoe glacial maximum
glaciers cover Canada and northern US.
- 60,000 yrs ago: Oldest male ancestor of modern humans[3]
- 46,000 yrs ago: Australia becomes arid,
bush fires destroy habitat, and megafauna die off.
- 40,000 yrs ago: Cro-Magnon man appeared in Europe.
- 28,000 yrs ago: Neanderthals disappear from fossil record.[29]
- 26,500 yrs ago: Taupo supervolcanic eruption
in New Zealand
- 22,000 yrs ago: Tioga glacial maximum
sea level was 130 meters lower than today
- 19,000 yrs ago: Antarctic sea ice starts melting.[22]
- 15,000 yrs ago: Bering land bridge between Alaska and Siberia
allows human migration to America
- 12,900 yrs ago: Explosion of comet over Canada [23, 24, 25]
causes extinction of American megafauna such as the mammoth
and sabretooth cat (Smilodon), as well as the end of Clovis culture
- Fired pottery invented (12,000 yrs ago)
- 11,400 yrs ago: End of Würm/Wisconsin glacial period.
Sea level rises by 91 meters (300 ft)