Path to U.S. Acquisition of Texas and Oregon

Texas

1. 1821: Mexico independent; Texas part of Mexico.
2. 1823: First U.S. settlers arrive.
3. 1835: Texas Revolution begins.
4. 1836: Republic of Texas founded.
5. 1845: U.S. annexes Texas → Mexican-American War.

Oregon

1. 1792: Nootka Convention sets joint occupation.
2. 1803: Louisiana Purchase includes Oregon Country.
3. 1811: Astor's Fort Astoria.
4. 1818: Rush-Bagot Treaty continues joint occupation.
5. 1846: Oregon Treaty sets current U.S.-Canada border.