<human>:  What year did Idi Amin become president of Uganda?
<bot>: Idi Amin became president of Uganda in 1971. He was a former military officer who rose to power through a coup. He ruled Uganda from 1971 to 1979. He was infamous for his brutal dictatorship, human rights abuses, and for the mass killings of Ugandans who were perceived to be his political enemies. He was overthrown in 1979 and fled into exile. He died in 2003.