Who won the Best Actor Oscar for playing boxer Jake LaMotta in "Raging Bull" (1980)?

After visiting them in 1829, Felix Mendelssohn wrote an overture named for which Scottish islands? After wandering all over the Southeast, which Spanish conquistador died near the Mississippi River in 1542? After wearing glasses through his PGA career, Tom Kite had which kind of laser eye surgery in 1998? On October 31, 1517, who reputedly posted 95 theses on the door of Wittenberg's Castle Church? After winning the disputed 1876 election, which president was inaugurated to cries of "Rutherfraud"? After winning the first International Tchaikovsky Competition in Moscow in 1958, which pianist got a piano competition… Which Florentine author, who died in 1527 and once served as a secretary of the Florentine republic, became a byword fo… After writing "J'accuse!", which author was convicted of libel?