At the touch of a button on July 1, 1939, which Clay Puett invention made its horse racing debut?

At the time of his death in 1904, which composer of the "New World" Symphony was director of the Prague Conservatory? Long before becoming UN secretary-general, which Egyptian diplomat played a major role in the 1979 Egypt-Israel peace t… In business, what does the title CEO stand for? In 1986, Prince Andrew was given which royal title "of York" on his wedding day? At the University of Bonn in 1836, which future philosopher was wounded in a duel with a member of an aristocratic Prus… At the urging of which president did the Department of Education become a cabinet department in 1979? Which president is buried at Washington National Cathedral, the only president buried in the nation's capital? Which brand of stun device fires two barbed darts that deliver an electric shock?