55 million years ago
The first primates primitives evolve.
8 - 6 million years ago
The first gorillas they evolve. Later, chimpanzees and human lineages diverge .
5.8 million years ago
Orrorin tugenensis , the oldest human ancestor who was thought to have walked on two legs.
5.5 million years ago
The Ardipithecus , early "proto-humans" share traits with chimpanzees and gorilla and live in forests.
4 million years ago
The Australopithecines appear . They have brains no larger than those of a chimpanzee - with a volume of about 400 - 500 cubic cm , but they walk straight on two legs.
The first human ancestors to live in the savannah .
3.2 million years ago
Lucy , famous specimen of Australopithecus afarensis , lives in Hadar , in Ethiopia.
2.7 million years ago
Paranthrope , lives in woods and prairies, has massive jaws for chewing on roots and vegetation. Extinct about 1.2 million years .
2.5 million years ago
Homo habilis appears .
Its face protrudes less than previous hominids, but it still retains many simian features.
It has a brain volume of about 600 cubic cm.
The hominids begin to regularly use stone tools, created by dividing the pebbles and this starts the tradition of Oldowan toolmaking , which lasts 1 million years .
Some hominids develop diets rich in meat which may have favored the evolution of larger brains.
2 million years ago
Evidence of Homo Ergaster , with a brain volume of up to 850 cubic cm , in Africa .
1.8 - 1.5 million years ago
Homo Erectus is located in Asia .
First true ancestor hunter-gatherer , and even before being emigrated from Africa in large numbers.
It reaches a brain size of about 1000 cubic cm .
1.6 million years ago
Possible first sporadic use of fire suggested by discolored sediments at Koobi Fora, Kenya .
The most convincing evidence of charred wood and stone tools is found in Israel and date back to 780,000 years ago .
600,000 years ago
Homo Heidelbergensis lives in Africa and in Europe . Brain capacity similar to modern humans.
500,000 years ago
The earliest evidence of purpose-built shelters - wooden huts - have been identified near Chichibu , in Japan.
400,000 years ago
The first humans begin to hunt with the spears .
280,000 years ago
Prime stone blades and complex wheels.
230,000 years ago
The Neanderthal appear and are found throughout Europe , from Great Britain to Iran , until it became extinct with the advent of modern men 28,000 years ago.
195,000 years ago
Our species Homo Sapiens appears on the scene and shortly after begins to migrate through Asia and Europe .
The oldest modern human remains are two skulls found in Ethiopia which date back to this period.
The average volume of the human brain is 1350 cubic cm .
150,000 years ago
Humans speak between them. The jewelry a shell suggests that language and symbolism are quite complex.
140,000 years ago
First evidence of long-distance trading .
110,000 years ago
Pearls older ones made with ostrich egg shells and jewels .
50,000 years ago
Human culture begins to change much faster than before.
People begin to bury their dead ritually, create dresses from animal skins and develop hunting techniques complex, such as traps.
Colonization of Australia by modern men.
33,000 years ago
The oldest rock art.
Later, stone age artisans create the spectacular murals in Lascaux and Chauvet in France.
Homo Erectus dies in Asia , replaced by modern man.
18,000 years ago
Homo Floresiensis , people “ Hobbit ", Found on the Indonesian island of Flores .
They are just over 1 meter and they have chimpanzee-sized brains, but have advanced stone tools .
12,000 BC
Migration to the Americas .
10,000 BC
Agriculture it develops and spreads.
First villages .
Possible domestication of dogs .
5,500 BC
The Stone Age the Bronze Age ends and begins .
Humans begin to perfume and process copper and the pond , and use them instead of stone tools.
5,000 BC
The first writing known.
4,000 to 3,500 BC
The Sumerians of Mesopotamia develop the world's first civilization