Portal:United States/Anniversaries/April/April 1
- 1789 – In New York City, the House of Representatives holds its first quorum and elects Frederick Muhlenberg of Pennsylvania as its first House Speaker.
- 1826 – Samuel Morey patents the internal combustion engine.
- 1891 – The Wrigley Company is founded in Chicago, Illinois.
- 1954 – President Dwight D. Eisenhower authorizes the creation of the United States Air Force Academy (pictured) in Colorado.
- 1970 – President Richard Nixon signs the Public Health Cigarette Smoking Act into law, requiring surgeon general's warnings on tobacco products and banning cigarette advertisements on television and radio in the United States.
- 1976 – Apple Computer is formed by Steve Jobs and Steve Wozniak.
On this day for the United States
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April 1:
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Events
- 1789 - In New York City, the United States House of Representatives holds its first quorum and elects Frederick Muhlenberg of Pennsylvania as its first House Speaker.
- 1826 - Samuel Morey patents the internal combustion engine.
- 1857 - Herman Melville publishes The Confidence-Man.
- 1865 - American Civil War: Battle of Five Forks - In Siege of Petersburg, Confederate General Robert E. Lee begins his final offensive.
- 1891 - The Wrigley Company is founded in Chicago, Illinois.
- 1944 - Accidental American bombing of the Swiss city of Schaffhausen. The bombers were lost.
- 1945 - World War II: Operation Iceberg - United States troops land on Okinawa in the last campaign of the war.
- 1946 - Aleutian Island earthquake: A 7.8 magnitude earthquake near the Aleutian Islands creates a tsunami that strikes the Hawaiian Islands killing 159 (mostly in Hilo, Hawaii).
- 1954 - President Dwight D. Eisenhower authorizes the creation of the United States Air Force Academy in Colorado.
- 1963 - The Soap Opera General Hospital debuted.
- 1967 - The United States Department of Transportation begins operation.
- 1970 - President Richard Nixon signs the Public Health Cigarette Smoking Act into law, requiring surgeon general's warnings on tobacco products and banning cigarette advertisements on television and radio in the United States starting on January 1, 1971.
- 1976 - Apple Computer is formed by Steve Jobs and Steve Wozniak.
- 1976 - Conrail takes over operations from six bankrupt railroads in the northeastern U.S..
- 1980 - New York City's Transit Worker Union 100 goes on strike, lasting 11 days.
- 2001 - An EP-3E United States Navy plane collides with a Chinese People's Liberation Army fighter jet. The Navy crew makes an emergency landing in Hainan, People's Republic of China and is detained. See Hainan Island incident.