Add the following events to the timeline:
4.5 Billion BCE - Earth and Solar System formed.
3.5 Billion BCE - First Bacteria on Earth.
600 Million BCE - First Animal Fossils
251 Million BCE - Permian-Triassic extinction event, also called the Great Dying. Gives rise to the Dinosaurs.
65 Million BCE - Asteroid impact with Earth. Dinosaurs wiped out. Gives rise to the mammals. Some birds survive.
4 Million BCE - First humans appear.
2.5 Million BCE - First member of Homo genus appears.
30 000 BCE - Modern human beings now the only human species remaining on the planet.
12 000 BCE - Last Ice Age, Woolly Mammoth dies out.
10 000 BCE - People move into the fertile river valleys and begin agriculture.
5300 BCE - Mesopotamian Civilization
5000 BCE - Egyptian Civilization
4.5 Billion BCE - Earth and Solar System formed.
3.5 Billion BCE - First Bacteria on Earth.
600 Million BCE - First Animal Fossils
251 Million BCE - Permian-Triassic extinction event, also called the Great Dying. Gives rise to the Dinosaurs.
65 Million BCE - Asteroid impact with Earth. Dinosaurs wiped out. Gives rise to the mammals. Some birds survive.
4 Million BCE - First humans appear.
2.5 Million BCE - First member of Homo genus appears.
30 000 BCE - Modern human beings now the only human species remaining on the planet.
12 000 BCE - Last Ice Age, Woolly Mammoth dies out.
10 000 BCE - People move into the fertile river valleys and begin agriculture.
5300 BCE - Mesopotamian Civilization
5000 BCE - Egyptian Civilization