Chapter 18 By monserratcalva2 1783 treaty of paris Mar 30, 1867 US purchase of Alaska Jan 17, 1893 overthrow of Hawaiian monarchy 1895 first Cuban rebellion 1895 Cuba libre moment launched 1898 american occupation of puerto rico officially ends Feb 15, 1898 USS maine explodes 1899 Philippines revolt against US control Sep 6, 1899 "open door policy" introduced Nov 2, 1899 boxer rebellion 1903 panama declared independence Period: 1903 to 1914 panama canal construction 1905 US negotiates end to Russia---Japanese war 1911 Porfirio Diaz overthrown Jul 28, 1915 US marines takes over haiti 1916 general Pershing hunts pancho villa Mar 2, 1917 full citizenship rights for Puerto ricans Aug 1, 1934 US leaves Haiti Jun 12, 1998 Philippines became official independent