who was the inca king who began the conquest that led to the creation of their empire
History of the Incas In 1438 AD, under the command of Sapa Inca (paramount leader) Pachacuti, whose name meant "world-shaker", they began a far-reaching expansion. The land Pachacuti conquered was about the size of the Thirteen Colonies of the United States in 1776, and consisted of about half the Andes mountain range.