| Last Updated = 17 February 2000 | |||
| time (BP) | BP=1994 | event | place |
| 1,990 | Jesus born | Nazareth | |
| 3,500 | King Tut | Egypt | |
| 11,000 | clovis spears | East Wenatchee | |
| 12,000 | Homo Sapiens evidence | Americas | |
| 35,000 | Homo Sapiens evidence | Siberia | |
| 40,000 | 75,000 | first art, crayon, symbols, handprints | Kakadu, Australia |
| 40,000 | Homo Sapiens evidence | Europe | |
| 90,000 | spear barbs | Africa | |
| 100,000 | 2,000,000 | Homo erectus | |
| 125,000 | modern human bones | Africa | |
| 188,000 | root of all men Y chromosome | ||
| 1,000,000 | humans spread out of Africa | ||
| 1,500,000 | Acheulean stone tool culture | ||
| 1,600,000 | 1,800,000 | erectus jawbone | Tbilisi, Georgia |
| 1,600,000 | skull | Sangiran, Java | |
| 1,700,000 | 1,800,000 | skulls | Koobi Fora, Kenya, Africa |
| 1,780,000 | 1,960,000 | partial jaw, tooth, stone tools | China |
| 1,800,000 | 1,900,000 | skull | Mojokerto, Java |
| 1,800,000 | 3,200,000 | tool site | Siberia Diring |
| 1,800,000 | Homo Erectus | Africa | |
| 1,830,000 | child skull, Homo Erectus | Java, Asian island | |
| 2,000,000 | 2,500,000 | human tools | Africa Olduvia Gorge |
| 2,000,000 | 3,000,000 | early humans | |
| 2,000,000 | 3,000,000 | Homo erectus (Java man, Peking man) origin | East Africa |
| 2,000,000 | erectus fossils | SE Asia | |
| 2,330,000 | earliest fossil in human family | northern Ethiopia | |
| 2,400,000 | 2,700,000 | oldest tool site | Africa West Gona |
| 2,600,000 | 7,000,000 | ice age | Greenland rock |
| 3,000,000 | 3,500,000 | partial austalopithecines jawbone | Chad, Africa |
| 3,000,000 | 4,000,000 | Australopithecus walking upright | |
| 3,700,000 | humans walking upright, footprints | Africa Savanna | |
| 4,100,000 | upright walking, jawbone, shin fossil | Lake Turkana, Kenya, Africa | |
| 5,000,000 | 8,000,000 | hominoids branch off apes | |
| 50,000,000 | fossil for link between land animals and modern whales | ||
| 65,000,000 | 225,000,000 | dinosaurs | |
| 105,000,000 | first flowering plants appear | fossil record | |
| 130,000,000 | Gondwana break up | ||
| 147,000,000 | earliest toothless beak bird & body feathers | north Beijing, China | |
| 170,000,000 | Pangaea split in two | ||
| 400,000,000 | earliest appearance of nonvascular plants | fossil record | |
| 400,000,000 | earliest appearance of vascular and seed plants | fossil record | |
| 530,000,000 | 3,000,000,000 | single cell, primitive | |
| 530,000,000 | Cambrian, burst of complex plants & animals | ||
| 544,000,000 | origin of feces | Cambrian | |
| 600,000,000 | first animals | ||
| 800,000,000 | first multi-celled seaweed | ||
| 1,200,000,000 | first one-celled sexual organism | ||
| 1,700,000,000 | leaf like fossils; first muticelled algae | ||
| 1,800,000,000 | 2,100,000,000 | one-celled organisms with a nucleus | |
| 2,000,000,000 | oxygen rich atmosphere | ||
| 2,800,000,000 | oxygen-producing photosynthetic organisms | ||
| 3,460,000,000 | 3,500,000,000 | earliest known fossils appear | Western Australia blue-green algae |
| 3,800,000,000 | 4,400,000,000 | life first becomes established | |
| 3,850,000,000 | tar plugs of cooked carbon material, possible evidence of life | Akila Island, Greenland sedimentary rock | |
| 4,500,000,000 | 4,600,000,000 | formation of earth and moon & solar system | |
| 8,000,000,000 | 12,000,000,000 | universe age | Hubble telescope |
| 10,000,000,000 | 20,000,000,000 | formation of universe, Big Bang | cosmic radiation |
| 16,000,000,000 | formation of universe | nuclear fusion works in stars |