In 1937, War Admiral became the fourth thoroughbred to win the Triple Crown. He was sired by Man o’ War, the legendary racehorse who had 20 victories out of 21 starts during his career. Both horses trained at Glen Riddle Farm on the Eastern Shore. (Handout photo)
1783: Joseph and Jacques Montgolfier demonstrated their hot-air balloon in a 10-minute flight over Annonay, France.
1917: Nearly 10 million men began registering for the U.S. draft in World War I.
1933: The U.S. abandoned the gold standard.
1940: The Battle of France began in World War II.
Compiled by Laura Lefavor and Paul McCardell.