Social, Political, or Economic.
- Gadsden Purchase
- Seneca Falls Convention
- Monroe Doctrine
- Jackson Elected
- American Revolution Starts
- Civil War Begins
- Convention of 1818
- War of 1812
- Know Noting Party founded
- Specie Circular
- Tariff of Abominations
- Wilmot Proviso
- Gold Discovered in California
- Battle of the Alamo
- Liberia established
- Compromise of 1850
- Gadsden Purchase
- American Temperance Society founded
- Second Great Awakening
- Webster-Hayne Debate
- Era of Good Feelings
- Election of 1824
- Indian Removal Act Passed
- American System
- Oneida founded
- Lowell Mass. founded
- Walden is published
- End of the first two part system
- Reemergence of the two party system
- Mexican-American War Starts
- Nat Turner's Rebellion
- Adams-Onis Treaty
- Panic of 1819
- Compromise of 1820
- Treaty of Guadalupe-Hidalgo
- Cotton Gin Invented
- Telegraph Invented
- The Liberator published
- Erie Canal Completed
- Mormons Arrive in Utah
- SC Exposition and Protest
- Worchester v. GA
- Jackson Vetoes the Second Bank of the US
- Trail of Tears
- Panic of 1837
- Irish Potato Famine