On March 12, 1959, Congress approved Hawaii for admission to the union as the 50th state, marking the last time statehood was…
On February 2, 1848 the Treaty of Guadalupe Hidalgo was signed in Mexico without President James K. Polk’s knowledge. The United…
On March 10, 1848, the Senate approved a treaty that led to California and much of the Southwest joining the United States. But…
On December 30, 1853, a treaty was signed where Mexico sold the United States 29,000 square miles of territory for what eventually…
On this day in 1867, United States Secretary of State William Seward signed a deal acquiring Alaska, an agreement that was…
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