1900-1920 By lanie_hamilton 1901 Theodore Roosevelt becomes President 1904 Panama Canal begins construction 1912 Election of Woodrow Wilson 1913 Sixteen Amendment authorizing income tax ratified 1914 World War I began 1915 KKK revived 1918 WW1 ends 1919 Eighteenth Amendment prohibits alcoholic beverages 1920 Nineteenth Amendment gives women the right to vote 1920 19th Amendment ratified