Complex sentence: He was a founder member of the League of Muslim Ulemas and became mufti of Damascus in 1946, grand mufti of Damascus in 1958 and grand mufti of Syria in 1964.
Split into simpler sentences: He was a founding member of the League of Muslim Ulemas. He became mufti of Damascus in 1946, grand mufti of Damascus in 1958, and grand mufti of Syria in 1964.