Timeline Project By spahls21 Period: Jan 1, 1860 to Jan 1, 1980 Chapter 18 Sep 19, 1867 US purchases Alaska May 22, 1887 US acquires Pearl Harbor Oct 1, 1890 McKinley Tariff is passed Nov 3, 1896 William McKinley is elected 25th President of US Nov 1, 1897 Boxer Rebellion Feb 9, 1898 Spanish Minister DeLome writes insulting letter about President McKinley Feb 15, 1898 USS Maine explodes in Havana Harbor Apr 25, 1898 US declares war on Spain Jul 4, 1898 Hawaii Becomes Territory of US Oct 18, 1898 US takes Puerto Rico from Spain Dec 8, 1898 US and Spain sign an armstice ending the Spanish American War Dec 10, 1898 US and Spain sign Treaty of Paris 1898 Jun 14, 1900 Sanford Dole replaces Queen Lili of Hawaii and forms new Republic of Hawaii Jun 21, 1900 McKinley is re-elected as President of U.S. Jan 20, 1903 US acquires Midway Island Nov 18, 1903 US signs treaty with Panama over rights to Canal Zone May 6, 1904 US begins construction on Panama Canal Sep 15, 1906 Theodore Roosevelt recives the Nobel Peace Prize Jan 1, 1910 Mexican Revolution begins Aug 15, 1914 Panama Canal Opens Sep 14, 1915 Theodore Roosevelt becomes the 26th President May 14, 1935 Philippines becomes a commonwealth to the U.S. Aug 9, 1945 Russia declares war on Japan Jul 4, 1946 Philippines gets its independence May 21, 1948 Puerto Rico becomes a commonwealth to the U.S. Aug 21, 1959 Hawaii Becomes the 50th State Sep 7, 1977 President Jimmy Carter signs treaty giving rights to Canal Zone to Panama Sep 21, 1979 US officially returns entire Canal Zone to Panama
