On May 1, 1931, President Herbert Hoover officially dedicated New York City’s Empire State Building, pressing a button from the White House that turned on the building’s lights. Hoover’s gesture, of course, was symbolic; while the president remained in Washington, D.C., someone else flicked the switches in New York. On this day in 1960, an American U-2 spy plane was shot down while conducting espionage over the Soviet Union. The incident derailed an important summit meeting between President Dwight D. Eisenhower and Soviet leader Nikita Khrushchev that was scheduled for later that month. Let’s see how high and how fast you can go with today’s word quiz. Be sure not to bail out before you finish!