What is associated with: at age 39 in 1998 this former basketball star hosted a talk show but not for long?

Based on the clue 'at age 29 buddha had this many visions later the n...', what is the answer? Based on the clue 'at age 3 as bubbles silverman this opera star sang...', what is the answer? Based on the clue 'at age 31 he was clevelands mayor', what is the answer? Based on the clue 'at age 32 alexander died in the palace of nebuchad...', what is the answer? Based on the clue 'at age 4 in guanajuato mexico he was already drawi...', what is the answer? What is associated with: at age 40 in 1781 this american traitor moved to london but was denied military service? What is associated with: at age 40 she won 3 grammys for nick of time 1989s album of the year? Based on the clue 'at age 40 this saint of avila has a transforming v...', what is the answer?