Inca civilization timeline By Reallyred 15,000 BCE Tribes first come to the Andes Mountains. (https://en.wikipedia.org/wiki/History_of_Andean_South_America) 1438 Inca Civilization Begins http://www.crystalinks.com/inca_civilization.html 1450 Machu Pichu is Built https://en.wikipedia.org/wiki/Machu_Picchu 1532 Inca and Spanish Meet https://en.wikipedia.org/wiki/Spanish_conquest_of_the_Inca_Empire 1572 Inca Empire is Conquered by the Spanish https://en.wikipedia.org/wiki/Spanish_conquest_of_the_Inca_Empire