-
1900
Gold Standard -
1901
Theodore Roosevelt becomes President -
1904
Roosevelt Corollary to Monroe Doctrine -
Period: to
1904-1914
Panama Canal built -
1906
Hepburn Act, Pure Food and Drug Act
The Jungle -
1912
Election of Woodrow Wilson -
1913
Sixteen Amendment authorizing income tax ratified
Seventeenth Amendment providing for direct elections of Senators ratified
Federal Reserve System begun
Wilson broadens segregation in civil service -
1914
World War 1 begins
U. S. troops occupy Vera Cruz -
1915
U. S. troops sent to Haiti
Lusitania sunk, U. S. intervened
KKK revived -
1916
Germany issues Sussex pledge -
1917
Russian Revolution
U.S. enters WW1 -
1918
WW1 ends
Treaty of Versailles -
1919
Eighteenth Amendment prohibits alcoholic beverages
Red Scare -
1920
Nineteenth Amendment gives women the right to vote
First radio station KDKA in Pittsburgh