The History of Earth By NeferJiff 14,000 BCE The Big Bang 4600 BCE Sun Formation 4568 BCE Oldest Chondrite Meteorite Sample (during the accretion of the Solar System and Planets) 4500 BCE Earth Formation 4428 BCE Oldest Mars Meteorite Sample (Beginning of Mars) 4426 BCE Oldest Moon Meteorite Sample (Beginning of the Moon) 4404 BCE Oldest Earth Meteorite Sample (Beginning of the Earth) 4400 BCE Moon Formation 3800 BCE First Life 3200 BCE Photosynthesis 2300 BCE Cold, Oxygen Rich 2100 BCE Multicelluar Life 380 BCE First Vertibrate Land Animals 200 BCE Homo Sapiens