1900-1920 By csparkdaddy Aug 24, 1901 William Mckinley was assassinated Aug 24, 1901 U.S Steel founded by John Morgan Aug 24, 1903 Ford motor company formed Aug 24, 1903 Elkins Act Aug 24, 1906 Theodore Roosevelt negotiates Treaty of Portsmouth Aug 24, 1907 Oklahoma becomes a state Aug 24, 1907 Gentlemen's Agreement Aug 24, 1907 Coal mine explodes in Monongah, West Virginia killing 361 Aug 24, 1908 Ford Model T appears on market Aug 24, 1908 Root- Takahira Agreement Aug 24, 1908 Federal Bureau of Investigation established Aug 24, 1909 U.S. penny is changed to the Abraham Lincoln design Aug 24, 1909 William Howard Taft becomes president Aug 24, 1909 Taft implements dollar diplomacy Aug 24, 1910 Mann Act Sep 8, 1910 Boy scouts established Sep 8, 1911 the chinese revolution Sep 8, 1912 oreo cookies first introduced Sep 8, 1913 first crossword puzzle Sep 8, 1913 los angeles owens valley aquaduct opened Sep 8, 1913 personal income tax introduced in US Sep 8, 1914 world war 1 Sep 8, 1914 archdulke ferdinand killed Sep 8, 1914 battle of tannenberg Sep 8, 1914 first traffic light Sep 8, 1914 babe ruth pitches his first game and hits homerun Sep 8, 1915 armenian genocide Sep 8, 1915 british nurse edith cavell executed by the germans Sep 8, 1915 KKK Revied Sep 8, 1915 one millionth model of model t comes off Sep 8, 1915 Woodrow wilson marries Edith Galt Sep 8, 1916 battle of the somme Sep 8, 1916 first use of tanks in war Sep 8, 1916 John d rockefeller first billionaire Sep 8, 1917 henry ford creates moving assembly Sep 8, 1917 first pulitzer prize awarded Sep 8, 1918 spansih flu pandemic Sep 8, 1918 daylight savings time introduced Sep 8, 1918 russian czar nicholas 2 killed Sep 8, 1919 hitler joins nazi party