Important celebrations / observances
March 1st Movement Remembrance Day or Samiljeol; (South Korea)
Martenitsa (Bulgaria)
Mărțișor (Romania and Moldova)
National Pig Day, a minor observance (United States)
Roman New Year observances

March 1 World Civil Defence Day

Events
1565 – The city of Rio de Janeiro is founded.
1700 – Sweden introduces its own Swedish calendar, in an attempt to gradually merge into the Gregorian calendar, reverts to the Julian calendar on this date in 1712, and introduces the Gregorian Calendar on this date in 1753.
1790 – The first United States census is authorized.
1873 – E. Remington and Sons in Ilion, New York begins production of the first practical typewriter.
1893 – Nikola Tesla gives the first public demonstration of radio in St. Louis, Missouri.
1896 – Henri Becquerel discovers radioactivity.
1901 – The Australian Army was formed.
1910 – The worst avalanche in United States history buries a Great Northern Railway train in northeastern King County, Washington, killing 96 people.
1912 – Albert Berry makes the first parachute jump from a moving airplane.
1919 – March 1st Movement begins in Korea.
1941 – W47NV (now known as WSM-FM) begins operations in Nashville, Tennessee becoming the first FM radio station in the U.S..
1947 – The International Monetary Fund begins financial operations.
1961 – President of the United States John F. Kennedy establishes the Peace Corps.
1961 – Uganda becomes self-governing and holds its first elections.
1962 – American Airlines Flight 1 crashes on take off in New York.
1992 – Bosnia and Herzegovina declares its independence from Socialist Federal Republic of Yugoslavia.
1995 – Yahoo! is incorporated.
2000 – The Constitution of Finland is rewritten.
2002 – The peseta is discontinued as official currency of Spain and is replaced by the euro (€).
2005 – US Supreme Court rules that the execution of juveniles found guilty of murder is unconstitutional marking a change in "national standards,".

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