TIMELINE OF EVENTS
| 1880–1900 | U.S. creates third most powerful navy in the world |
| 1890 | Alfred Mahan publishes The Influence of Sea Power upon History |
| 1893 | American plantation owners overthrow Queen Liliuokalani of Hawaii |
| 1895 | Cuban War for Independence begins |
| 1898 | U.S. battleship Maine explodes |
| The War of 1898 begins | |
| Anti-Imperialist League founded | |
| 1899–1902 | Philippine-American War |
| 1901 | Platt Amendment passed |
| 1904 | Roosevelt Corollary announced |
| 1909 | U.S. intervenes in Nicaragua on behalf of American fruit and mining companies |
| 1914 | Panama Canal opens under American control |
| World War I begins | |
| 1915 | German submarine sinks the Lusitania |
| 1916 | Wilson sends U.S. troops into Mexico to capture Pancho Villa |
| 1917 | Zimmermann telegram becomes public |
| United States enters World War I | |
| Espionage Act passed | |
| War Industries Board established | |
| Committee on Public Information established | |
| 1918 | Sedition Act passed |
| National War Labor Board established | |
| Germany surrenders, ending World War I | |
| 1919 | Wilson loses battle for ratification of Treaty of Versailles |