WHAT HAPPENED ON 15. APRIL
Want to find out what all happened on 15. April

Black Friday: mine owners announce more wage and price cuts, leading to the threat of a strike all across England. (15. April 1921)

U.S. Senator John B. Kendrick of Wyoming introduces a resolution calling for an investigation of secret land deal, which leads to the discovery of the Teapot Dome scandal. (15. April 1922)

Insulin becomes generally available for use by people with diabetes. (15. April 1923)

Rand McNally publishes its first road atlas. (15. April 1924)

The Great Mississippi Flood of 1927, the most destructive river flood in U.S. history, begins. (15. April 1927)

Roerich Pact signed in Washington, D.C. (15. April 1935)

First day of the Arab revolt in Mandatory Palestine. (15. April 1936)

Aer Lingus (Aer Loingeas) is founded by the Irish government as the national airline of the Republic of Ireland. (15. April 1936)

The Allies begin their attack on the Norwegian town of Narvik which is occupied by Nazi Germany. (15. April 1940)

In the Belfast Blitz, two-hundred bombers of the German Luftwaffe attack Belfast, Northern Ireland, United Kingdom killing one thousand people. (15. April 1941)

The George Cross is awarded to "to the island fortress of Malta – its people and defenders" by King George VI. (15. April 1942)

The Bergen-Belsen concentration camp is liberated. (15. April 1945)

Jackie Robinson debuts for the Brooklyn Dodgers, breaking baseball's color line. (15. April 1947)

The maiden flight of the B-52 Stratofortress (15. April 1952)

McDonald's restaurant dates its founding to the opening of a franchised restaurant by Ray Kroc, in Des Plaines, Illinois (15. April 1955)

White Rock, British Columbia officially separates from Surrey, British Columbia and is incorporated as a new city. (15. April 1957)

After Walter O'Malley orchestrated that both teams' move from New York City, Los Angeles Dodgers played the San Francisco Giants in the first Major League Baseball game on the US West Coast. (15. April 1958)

At Shaw University in Raleigh, North Carolina, Ella Baker leads a conference that results in the creation of the Student Nonviolent Coordinating Committee, one of the principal organizations of the African-American Civil Rights Movement in the 1960s. (15. April 1960)

The first Ford Mustang rolls off the show room floor, two days before it is set to go on sale nationwide. (15. April 1965)

The EC-121 shootdown incident: North Korea shoots down a United States Navy aircraft over the Sea of Japan, killing all 31 on board. (15. April 1969)