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TimelineEvents
Timeline
Tree of Life
See this plate on the Tree of Life
Timeline Events
Impacts formed Earth and birthed its moon
4,560,000,000 years ago
Incoming! Metors bombarded young Earth
4,100,000,000 years ago
Canadian rocks tell Earth's history
4,000,000,000 years ago
Recipe for habitable planet = ancient microbes?
3,800,000,000 years ago
Early Earth: watery Earth
3,750,000,000 years ago
Microbes ruled in Earth's green ocean
3,700,000,000 years ago
Earth's crust cracked and moved, sustaining life
3,000,000,000 years ago
Birthing Earth's landmasses
2,800,000,000 years ago
When bacteria changed the world
2,400,000,000 years ago
Earth froze when new bacteria evolved
2,300,000,000 years ago
Comet strike evolved new life?
1,850,000,000 years ago
When lava flowed, minerals formed
1,270,000,000 years ago
Ancient algae helped date plant ancestor
1,250,000,000 years ago
North America nearly split apart
1,100,000,000 years ago
Supercontinents formed and broke apart
900,000,000 years ago
Life survived Snowball Earth
645,000,000 years ago
Life got big in the oceans
635,000,000 years ago
Poised for an explosion of animals
541,000,000 years ago
The spineless glory days recorded
508,000,000 years ago
First forests cooled Earth
385,000,000 years ago
Earth had one big continent
335,000,000 years ago
Global warming killed trilobites
252,000,000 years ago
The supercontinent split
200,000,000 years ago
Dinosaurs ruled
100,000,000 years ago
Wham! Goodbye, big dinosaurs
66,000,000 years ago
Hello, age of mammals!
50,000,000 years ago
Hello, welcome to today
0,000,000 years ago
