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The 20's was a time of great modernization for the America, bringing many new ideas and inventions to the world
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The 19th Amendment was passed, giving women the right to vote.
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On November 2nd, the first public radio show was broadcasted, hosted by KDKA in Pittsburgh Pennsylvania.
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In 1922 Louis Armstrong began to improvise in he music and add personal influences with his trumpet, this later became known as Jazz
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The first traffic light was created after Garret Morgan saw two cars crash into each other at an intersection.
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The first instant camera was created in 1923 by Samuel Shraflock. It was the first camera to have self developing film.
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The Television was invented in 1925 by John Logie Baird. The first experimental broadcast was in 1928.
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In 1927 "The Jazz Singer" became the first successful "talking picture". Movies before this had all been silent.
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Charles Lindbergh was the first man to solo fly a plane over an ocean. He took off in New York on the 20th and landed in Paris on the 21st.
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In 1928 Mickey Mouse is seen for the first time on the cartoon "Steamboat Willie".