Timeline By rissa06070607 52,000 BCE Homo sapiens reach europe 48,000 BCE Humans reach Australia 35,000 BCE Humans reach North America 14,000 BCE Dogs first domesticated 10,000 BCE Wheat first domesticated 8200 BCE Rice first domesticated 7000 BCE Maize first domesticated 3700 BCE Horses first domesticated 3200 BCE Sumerian cuneiform first developed 3000 BCE Sunflower first domesticated 2575 BCE Great pyramid at Giza built 1950 BCE Radiocarbon dating ‘zero’ 1600 BCE Stonehenge built 1492 BCE Columbus arrives to America 1050 BCE Great Zimbabwe first built