At the Diet of Worms in 1521, who said "I cannot and will not retract anything"?

At the 1893 Columbian Exposition, which tall amusement ride had everyone going in circles? In a children's counting rhyme, at the count of seven, "all good children go to" where? After the death of Cardinal Mazarin in 1661, which French king declared he would serve as his own prime minister? At the dedication of a fountain at Radcliffe College in 1960, who began her speech with the single word "water"? At the end of 1923, which Irish author appeared on Time's cover, with a story on his new play about Joan of Arc? At the end of 1949's "In the Good Old Summertime," Liza Minnelli made her screen debut as which star's daughter? At the end of a 1719 novel, which title character sells his Brazilian plantation, marries and revisits his old island? At the end of his 1633 trial, which scientist is said to have muttered about the Earth, "And yet it moves"?