Period 7 By poorvsters Feb 23, 1878 Samoa naval base Feb 23, 1887 Pearl Harbor base aquired Feb 23, 1889 Pan American Union Feb 23, 1890 McKinley Tarriff (Hawaii- sugar) Period: Feb 23, 1891 to Feb 23, 1893 Queen Liluokalani Period: Nov 23, 1893 to Nov 23, 1897 Cleveland Presidency Feb 23, 1895 Cubans rebelled- tensions between US and Spain Feb 23, 1895 Cuban Revolt Sep 17, 1895 U.S.S. Maine explosion Period: Nov 23, 1897 to Nov 23, 1901 McKinley Presidency Feb 23, 1898 Open Door Policy with China Period: Feb 23, 1898 to Feb 23, 1902 Conflict in Philippines Period: Apr 23, 1898 to Aug 23, 1898 Spanish-American War May 1, 1898 George Dewey attack (Manila Harbor) Dec 10, 1898 Treaty of Paris Feb 23, 1900 Foraker Act Feb 23, 1900 Hawaii becomes US territory Mar 2, 1901 Platt Amendment Period: Nov 23, 1901 to Nov 23, 1909 Teddy Roosevelt Presidency Feb 23, 1903 Women's Trade Union League Period: Feb 8, 1904 to Sep 5, 1905 Russo-Japanese War Period: Nov 23, 1909 to Nov 23, 1913 Taft Presidency Period: Nov 23, 1913 to Nov 23, 1921 Wilson Presidency May 7, 1915 S.S. Lusitania Period: Feb 23, 1916 to Feb 23, 1970 Great Migration Feb 23, 1917 Zimmerman Telegram Feb 23, 1917 Puerto Rico becomes US territory Feb 23, 1917 American Expeditionary Forces Mar 2, 1917 Jones Act May 18, 1917 Selective Service Act est. Jun 15, 1917 Espionage Act Period: Nov 23, 1921 to Nov 23, 1923 Harding Presidency Period: Nov 23, 1923 to Nov 23, 1929 Coolidge Presidency Period: Nov 23, 1929 to Nov 23, 1933 Hoover Presidency Period: Nov 23, 1933 to Nov 23, 1945 FDR Presidency Period: Nov 23, 1945 to Nov 23, 1953 Truman Presidency Feb 23, 1946 Philippines independent from US