18,000 BCE - Early hunters and gatherers 5000-2000 BCE - Tribes begin farming the land 400 CE - Inca tribe first mention via myths and legends in Peru 1200 CE - City of Cuzco is formed. Manco Capac is the first ruler. 1400-1500 CE - Incas conquer other tribes. Expand Empire to 2500 miles long and about 500 miles wide 1525 CE - Civil War 1531 CE - Pizarro brings Spanish to the Inca Empire. He kills Emperor Atahualpa - the Inca ruler. Today - Descendants of the ancient Incas still live in the modern day country of Peru in South America   Timeline