1919 - 1938

The American Legion forms in Paris.

Sep 16, 1919

https://www.legion.org/history
https://www.legion.org/about

Joan of Arc (Jeanne D'arc) canonized a saint.

May 16, 1920

https://www.onthisday.com/events/date/1920
http://www.history.com/topics/saint-joan-of-arc

First successful insulin treatment in Canada.

Jan 11, 1922

http://diabetesstopshere.org/2012/08/21/the-history-of-a-wonderful-thing-we-call-insulin/
https://www.diabetes.org.uk/about_us/news_landing_page/first-use-of-insulin-in-treatment-of-diabetes-88-years-ago-today

An explosion in a mine at the Wheeling Steel Corporation in Benwood, West Virginia kills 119 men.

Apr 28, 1924

https://en.wikipedia.org/wiki/1924
http://weelunk.com/the-mabel-files-the-1924-benwood-mine-disaster/

Disney Brothers Cartoon Studio becomes Walt Disney Studios.

Feb 8, 1926

https://www.onthisday.com/events/date/1926 https://www.onthisday.com/people/walt-disney

The very first television is sold.

1928

http://1928.info/#events https://en.wikipedia.org/wiki/Television_set#History

The Great Depression started, killing 7 million people.

Oct 29, 1929

https://history.stackexchange.com/questions/12297/how-many-people-in-the-us-starved-to-death-during-the-great-depression https://www.treasurydirect.gov/kids/history/history_wwi.htm

Adolf Hitler becomes chancellor of Germany.

Jan 30, 1933

https://livinghistoryfarm.org/farminginthe30s/worldevents_01.html http://www.history.com/this-day-in-history/adolf-hitler-is-named-chancellor-of-germany

The strongest hurricane ever to strike the United States landfalls in the Upper Florida Keys as a Category 5 storm with 185 mph winds, killing 423.

Sep 2, 1935

https://en.wikipedia.org/wiki/1935 https://news.nationalgeographic.com/2017/09/irma-most-intense-hurricane-florida-keys-1935-history/

The Golden Gate Bridge opens.

May 27, 1937

https://en.wikipedia.org/wiki/Golden_Gate_Bridge https://en.wikipedia.org/wiki/1937