Salim Saleh Salvation (FRONASA), a Tanzania-based rebel group formed and led by his brother Yoweri Museveni to fight against the regime of Idi Amin. Together with his friend Fred Rwigyema and his brother Museveni, he trained in Mozambique with Samora Machel's FRELIMO rebels. It was there that he adopted Salim Saleh as his "nom de guerre". In 1978, FRONASA merged with other anti-Amin groups in Tanzania and formed the Uganda National Liberation Army (UNLA), who together with Tanzanian armed forces captured Kampala in April 1979 – sending Idi Amin into exile. Saleh was later made a platoon commander of a UNLA unit
Idi Amin estimated by international observers and human rights groups to range from 100,000 to 500,000. Amin did not write an autobiography, and he did not authorize an official written account of his life. There are, therefore, discrepancies regarding when and where he was born. Most biographical sources claim that he was born in either Koboko or Kampala around 1925. Other unconfirmed sources state Amin's year of birth from as early as 1923 to as late as 1928. Amin's son Hussein has stated that his father was born in Kampala in 1928. According to Fred Guweddeko, a researcher at Makerere University, Amin