Humans By Andrew234 250,000 BCE First humans Period: 250,000 BCE to 1 BCE Old Era 30,000 BCE Glaciar period 13,000 BCE End of glaciar period 9000 BCE Domestication of Teosinte into Corn 7000 BCE Agriculture 5000 BCE Sedentarism 3500 BCE Rise of Mesopotamia Civilization 2500 BCE Start of the Preclassic Period (Olmec Civilization in Mesoamerica) 2334 BCE Akkadian Empire in Mesopotamia 2000 BCE Flourishing of Babylonian Culture (Mesopotamia) 2000 BCE Caral culture 1500 BCE Mayas starts 900 BCE Chavin civilization 776 BCE First Olympic Games in Ancient Greece 700 BCE Oligarchy form of government 539 BCE Fall of Babylon 509 BCE Representative democracy Period: 490 BCE to 479 BCE Greco-Persian Wars (Ancient Greece) Period: 480 BCE to 323 BCE Classical Period of Ancient Greece 323 BCE Death of Alexander the Great (Beginning of the Hellenistic Period) 300 BCE Zapotecas civilization 146 BCE Fall of Ancient Greece to Rome 100 BCE End of the Chavin civilization 1 CE Beginning of the Classic Period (Mesoamerica) 1 CE Nazca civilization Period: 1 CE to 2025 New Era 100 Teotihuacán 200 Moche culture 600 Teotihuacán disappeared 700 End of nazca and Moche civilization 900 Start of the Postclassic Period (Mesoamerica) 1300 Mexicas empire 1500 Inca empire 1521 Spanish Conquest of Mesoamerica 1776 Economic study 1946 UNICEF creation 1948 Human rights creation