At the 1893 Columbian Exposition, which tall amusement ride had everyone going in circles?

At the 1876 Centennial Exposition, who was on hand to introduce his new telephone? At the 1998 Oscars, which Best Director winner declared himself "king of the world"? At the 2003 CMA Awards, a special tribute was paid to which late "Man in Black"? With the collapse of which man's empire in 1814 were Louis XVIII and the Bourbon dynasty restored to the French throne? 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 Diet of Worms in 1521, who said "I cannot and will not retract anything"?