The history of the state later known as Mexico began when in 1250 the people of the Tenochca migrated to the valley of Mexico. In 1299, Cocoxtli, ruler of Culhuacan, allowed the Mexica / Aztecs to settle in Tizapan. 1325, they founded their capital of Tenochtitlan. In 1376, the Mexica elected their first tlatoani (=great speaker; means emperor), Acamapichtli. They were a tributary of Azcapotzalco at this time. 1481, the great Tlacaelel, cihuacoatl ("Prime Minister") of the Tenochca, died.