At the 1968 Democratic convention, which future NAACP chairman was briefly put forward for vice president?

At the 1939 World's Fair, the Carrier Corporation demonstrated air conditioning in an imitation of which domed dwelling? At the 1939 World's Fair, the Sawyer company introduced which stereo slide viewer that gives 3-D views? At the 1942 Battle of El Alamein, Bernard Montgomery defeated which German commander, nicknamed "the Desert Fox"? At the 1953 Paris Motor Show, which famed Porsche model debuted? At the 1972 Munich Olympics, who swam in seven events, including relays, and won them all in world-record times? At the 1976 Olympics, Nadia Comaneci scored the first perfect 10 in Olympic gymnastics on which apparatus? At the 1980 Winter Olympics, which speed skater won gold in all five events he entered, setting Olympic records in each? At the 1984 Olympics, Zola Budd collided with which American runner in the 3,000-meter race?