-
3,700,000 B.C.
Australopithecus skeletal remains from this date are found by archaeologists. -
2,500,000 B.C.
first stone tools appear. -
1,600,000 B.C.
Java man and Peking man appear. -
128,000 B.C.
Neaderthal people appear. -
33,000 B.C.
Cro-Magnon people appear. -
8000 B.C.
Last ice age ends, new stone age begins. -
3,000 B.C.
Bronze Age begins in Nile and Tigris-Euphrates River valleys. -
1200 B.C.
Iron Age begins in southwestern Asia.