April 30, 1789: At New York's Federal Hall in lower Manhattan, George Washington was sworn in as the first president of the United States. Washington was a reluctant president. At the age of 57, he wanted to stay retired. But he feared political factions were tearing the nation apart, and agreed to serve. He would serve two terms in office before retiring for good in 1798. New York City, was of course, the capital of the United States at that time.

April 30, 1939: Attending the New York World's Fair, Franklin Roosevelt became the first president to appear on TV.

April 30, 1970: President Richard Nixon announced that U.S. troops were invading Cambodia — used by North Vietnam to wage war on South Vietnam. Nixon's public announcement came after a year of Cambodian bombing that the administration tried to keep quiet. The invasion of Cambodia widened the public split over Vietnam. Some 4 million students protested; four were killed at Ohio's Kent State University.

Quote of the day

"Those who trust to chance must abide by the results of chance." -Calvin Coolidge

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