| A | B |
|---|
| 1820s | Several Latin American countries gain their indpendence (ex: Mexico-1821) |
| 1823 | The Monroe Doctrine is issued |
| 1846-1848 | The Mexican War |
| 1848 | Treaty of Guadalupe Hidalgo |
| 1854 | Commodore Matthew Perry opens Japan to trade |
| 1861-1865 | The Civil War, France violates the Monroe Doctrine in Mexico (Maximilian ) |
| 1865-1900s | Post-Civil industrialization, surpluses of U.S. agricultural and industrial goods that need markets |
| 1867 | "Seward's Folly"- the U.S. gains Alaska |
| 1882 | Chinese Exclusion Act |
| 1884 | Berlin Conference divides Africa among European powers |
| 1885 | Josiah Strong, champion of the white man's burden, publishes "Our Country" |
| 1889 | The U.S. and Germany almost to war over Samoa, Pan-American Conference in Montevideo, Uruguay |
| 1890 | Census of 1890 and Alfred Thayer Mahan writes "The Influence of Sea Power Upon History" |
| 1893 | Frederick Jackson Turner's "Frontier Thesis", Panic of 1893, Homestead Strike, Queen Liliuokalani overthrown but Cleveland refuses to Annex |
| 1894 | Pullman Strike, Coxey's March |
| 1896 | Election of 1896, General Weyler's reconcentrado policy, the yellow press sensationalizes atrocities |
| 1898 | Dupuy de Lôme Letter, explosion of the U.S.S. Maine, the Teller Amendment, the Spanish-American War, the Treaty of Paris, the U.S. annexes Hawaii |
| 1899-1901 | War between the U.S. and Filipino rebels led by Emilio Aguinaldo |
| 1899 | John Hay issues to Open Door Note |
| 1900 | Election of 1900, Boxer Rebellion, Second Open Door Note, Foraker Act |
| 1901 | Aguinaldo captured, McKinley assassinated, TR becomes POTUS, Platt Amendment |
| 1903 | The U.S. assists Panamanian revolutionaries in their fight for independence, Hay-Buneau-Varilla Treaty |
| 1904 | Russo-Japanese War begins, Roosevelt Corollary to the Monroe Doctrine |
| 1905 | Treaty of Portsmouth, Taft-Katsura Agreement |
| 1906 | The San Francisco Earthquake |
| 1907 | Gentlemen's Agreement, the voyage of the Great White Fleet |
| 1909-1913 | Taft's presidency- "Dollar Diplomacy" |
| 1911 | Mexican Revolution begins |
| 1914 | Panama Canal is completed, Tampico Incident --> occupation of Veracruz, Mexico, World War I begins in Europe |
| 1916 | Pancho Villa attacks Columbus, New Mexico, Punitive Expedition |
| 1917 | Jones Act, the U.S. enters World War |
