-
Theodore Roosevelt
In 1901 Theodore Roosevelt became president. -
Henry Ford
In 1903 Henry Ford founded the Ford Motor Company. -
Albert Einstein
in 1905 Albert Einstein announces his special theory of relativity and other key theories in physics. -
Coal Mines
in 1907 a coal mine in Monongha, WV had an explosion that killed 361 people. Then two weeks later, a coal mine explosion in Jacobs Creek PA left 239 dead. -
NAACP
The National Association for the Advancement for Colored People, also known as the NAACP, was founded in New York in 1909. -
Calbraith Rodgers
In 1911 Calbraith Rodgers is the first pilot to wing solo across North America in 49 days. -
Ludlow Massacre
In 1913 the Ludlow Massacre occurred, when the Colorado militia fired on striking coal miners, killing 21 people, including 11 children and 3 women. -
World War I
In 1917 the United States entered WWI and sends the first troops to France. -
Inflenza
In 1918 A world wide influenza epidemic strikes and by the end of it in 1920 over 20 million people were dead. -
Period: to
1919-1920
In 1919 the 18th Amendment adopted Prohibition. In 1920 the 19th Amendment ratified Women's suffrage. Warren G. Harding was elected President, and the US population reached 106 million.