WHAT HAPPENED ON 1. APRIL
Want to find out what all happened on 1. April

The Wrigley Company is founded in Chicago, Illinois. (1. April 1891)

The rank of Chief Petty Officer in the United States Navy is established. (1. April 1893)

The Territorial Force (renamed Territorial Army in 1920) is formed as a volunteer reserve component of the British Army. (1. April 1908)

The Royal Air Force is created by the merger of the Royal Flying Corps and the Royal Naval Air Service. (1. April 1918)

The Staatliches Bauhaus school is founded by Walter Gropius in Weimar. (1. April 1919)

Six Irish Catholic civilians are shot and beaten to death by a gang of policemen in Belfast, Northern Ireland. (1. April 1922)

Adolf Hitler is sentenced to five years in jail for his participation in the "Beer Hall Putsch". However, he spends only nine months in jail, during which he writes Mein Kampf. (1. April 1924)

The Royal Canadian Air Force is formed. (1. April 1924)

The recently elected Nazis under Julius Streicher organize a one-day boycott of all Jewish-owned businesses in Germany, ushering in a series of anti-Semitic acts. (1. April 1933)

English cricketer Wally Hammond sets a record for the highest individual Test innings of 336 not out, during a Test match against New Zealand. (1. April 1933)

India's central banking institution, The Reserve Bank of India is formed. (1. April 1935)

Odisha formerly known as Kalinga or Utkal becomes a state in India. (1. April 1936)

Aden becomes a British crown colony. (1. April 1937)

Spanish Civil War: Jaén, Spain is bombed by Nazi forces. (1. April 1937)

Spanish Civil War: Generalísimo Francisco Franco of the Spanish State announces the end of the Spanish Civil War, when the last of the Republican forces surrender. (1. April 1939)

Fantana Alba massacre: between 200 and 2,000 Romanian civilians are killed by Soviet Border Guards. (1. April 1941)

The Blockade Runner Badge for the German navy is instituted. (1. April 1941)

A military coup in Iraq overthrows the regime of 'Abd al-Ilah and installs Rashid Ali as Prime Minister. (1. April 1941)

Navigation errors lead to an accidental American bombing of the Swiss city of Schaffhausen. (1. April 1944)

World War II: Operation Iceberg – United States troops land on Okinawa in the last major campaign of the war. (1. April 1945)