Original: Julius Kambarage Nyerere (April 13, 1922 - October 14, 1999) served as the first President of Tanzania and previously Tanganyika, from the country's founding in 1961 until his retirement in 1985.
Simplified: Julius Kambarage Nyerere (April 13 1922 - October 14 1999), also known as Mwalimu (teacher), was President of Tanzania from 1964 to 1985, though he was still influential in politics until his death in 1999 because of his popularity.