During the Congo Crisis, Mobutu led a coup against the nationalist government of Patrice Lumumba. He wanted to take control of the government of Congo-Léopoldville. He soon became the army chief of staff. In 1965 he led a second coup to be Prime Minister. Then in 1967 he established a presidential form of government headed by himself. As part of his program of “national authenticity,” Mobutu changed the Congo's name to Zaïre in 1971. He changed his own name to Mobutu Sese Seko in 1972. Mobutu established a one-party state and a cult of personality.