On April 24, 1916, on Easter Monday in Dublin, the Irish Republican Brotherhood, a secret organization of Irish nationalists led by Patrick Pearse, launches the so-called Easter Rebellion, an armed uprising against British rule. Assisted by militant Irish socialists under James Connolly, Pearse and his fellow Republicans rioted and attacked ...

On April 25, 1983, the Soviet Union releases a letter that Russian leader Yuri Andropov wrote to Samantha Smith, an American fifth-grader from Manchester, Maine, inviting her to visit his country. Andropov’s letter came in response to a note Smith had sent him in December 1982, asking if the Soviets ...

Chernobyl is a nuclear power plant in Ukraine that was the site of a disastrous nuclear accident on April 26, 1986. A routine test at the power plant went horribly wrong, and two massive explosions blew the 1,000-ton roof off one of the plant’s reactors, releasing 400 times more radiation ...

On April 27, 4977 B.C., the universe is created, according to German mathematician and astronomer Johannes Kepler, considered a founder of modern science. Kepler is best known for his theories explaining the motion of planets. Kepler was born on December 27, 1571, in Weil der Stadt, Germany. As a university student, ...

On April 28, 1945, “Il Duce,” Benito Mussolini, and his mistress, Clara Petacci, are shot by Italian partisans who had captured the couple as they attempted to flee to Switzerland. The 61-year-old deposed former dictator of Italy was established by his German allies as the figurehead of a puppet government in ...

On April 29, 2004, the World War II Memorial opens in Washington, D.C. to thousands of visitors, providing overdue recognition for the 16 million U.S. men and women who served in the war. The memorial is located on 7.4 acres on the former site of the Rainbow Pool at the ...

On April 30, 1945, holed up in a bunker under his headquarters in Berlin, Adolf Hitler commits suicide by swallowing a cyanide capsule and shooting himself in the head. Soon after, Germany unconditionally surrendered to the Allied forces, ending Hitler’s dreams of a “1,000-year” Reich. Since at least 1943, it was ...

1931 May 01 Empire State Building dedicated On May 1, 1931, President Herbert Hoover officially dedicates New York City’s Empire State Building, pressing a button from the White House that turns 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 ...

The modern legend of the Loch Ness Monster is born when a sighting makes local news on May 2, 1933. The newspaper Inverness Courier relates an account of a local couple who claim to have seen “an enormous animal rolling and plunging on the surface.” The story of the “monster” ...

On May 3, 1469, the Italian philosopher and writer Niccolo Machiavelli is born. A lifelong patriot and diehard proponent of a unified Italy, Machiavelli became one of the fathers of modern political theory. Machiavelli entered the political service of his native Florence by the time he was 29. As defense secretary, ...

On May 4, 1970, in Kent, Ohio, 28 National Guardsmen fire their weapons at a group of anti-war demonstrators on the Kent State University campus, killing four students, wounding eight, and permanently paralyzing another. The tragedy was a watershed moment for a nation divided by the conflict in Vietnam, and ...

On May 5, 1961, Navy Commander Alan Bartlett Shepard Jr. is launched into space aboard the Freedom 7 space capsule, becoming the first American astronaut to travel into space. The suborbital flight, which lasted 15 minutes and reached a height of 116 miles into the atmosphere, was a major triumph ...