In 1961 whose body was removed from Lenin's tomb in Moscow and reburied near the Kremlin wall?

Which 1961 Robert Heinlein novel begins with the story of Valentine Michael Smith, a human raised by Martians? Pongo, Perdita and the villainous Cruella de Vil appear in which 1961 Disney animated film? In the 1960s, Hertz ads invited customers to "Let Hertz put you in..." what? In 1961 which Yankee hit his 61st home run of the season, breaking Babe Ruth's record? Which 1961 film musical includes the comic song "Gee, Officer Krupke"? Roughly how long did Alan Shepard's Freedom 7 flight, the first American spaceflight, last in 1961? The Rodgers and Hart musical based on Shakespeare's "The Comedy of Errors" is "The Boys from..." where? Which pope opened the Second Vatican Council in 1962?