HISTORY: UNITED STATES 
973.91  Erly 20th century 1901— 
JOTI Theodore Roosevelt 14 Sep. 1901-4 Mar. 1909 
Born 27 Oct. 1858; died 6 Jan. 1910 
Oklahoma admitted, 46th state 16 Nov. 1907 See 076.6 
William Howard Taft 4 Mar. 1909-4 Mar. 1913 
Born 15 Sep. 1857 
New Mexico admitted, 47th state 6 Jan. 1912 See 978.9 
Arizona admitted, 48th state 14 Feb. 1912 See 979.1 
16th amendment, authorizing income taxes, adopted 25 Feb. 1913 
Woodrow Wilson 4 Mar. 1913-4 Mar. 1921 
Born 28 Dec. 1856; died 3 Feb. 1924 
The World war, begun with Austria’s declaration of war against 
Serbia, 28 July 1914, was formally enterd by United States with a 
declaration of war against Germany, 6 Ap. 1917; armistice signd 
by the Germans 11 Nov. 1918; treaty of Versailles signd by treaty 
plenipotentiaries of Germany and the Allied Powers 28 June 1919; 
treaties with Germany, Austria and Hungary ratified by United 
States senate 18 Oct. 1921. 
17th amendment; authorizing election of U S senators by direct 
popular vote, adopted 31 May 1913 
Federal trade commission act 5 Aug. 1914 
Panama canal opend 15 Aug. 1914 
Danish West Indies bought 17 Jan. 1917 
18th amendment (liquor prohibition) adopted 29 Jan. 1919 
19th amendment; authorizing woman suffrage, adopted 18 Aug. 1920 
O14 Warren Gamaliel Harding 4 Mar. 1921-2 Aug. 1923 
Born 2 Nov. 1865; died 2 Aug. 1923 
Immigration act + 19 Aug. 1921 
Washington conference 12 Nov. 1921-6 Feb. 1922 
Calvin Coolidge : 2 Aug. 1923- 
Born 4 July 1872 
Dawes commission 1924 
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