By: Trent Voytilla
1920s through 30s timeline
January 10th 1920
May 5th 1922
March 2nd 1923
February 14th 1924
November 28th 1925
The League of Nations is established with the ratification of the Treaty of Versailles, ending the first World War.
Construction began on Yankee Stadium in New York City
Time Magazine is published for the first time.
The IBM corporation is founded.
The Grand Ole Opry transmits its first radio broadcast.
November 15th 1926
May 5th 1927
June 17th 1928
February 14th 1929
February 18th 1930
The NBC Radio Network is formed by Westinghouse, General Electric, and RCA, opening with twenty-four stations.
The Mississippi flood happened
Amelia Earhart becomes the first woman to fly over the Atlantic Ocean.
In Chicago, Illinois, gangsters working for Al Capone kill seven rivals and citizens in the act known as the St. Valentine's Day Massacre.
American astronomer Clyde Tombaugh discovers the planet Pluto at the Lowell Observatory in Flagstaff, Arizona.
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