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The Treaty of Cahuenga was signed, informally ending the fighting of the Mexican–American War in California.

Historical image related to The Treaty of Cahuenga was signed, informally ending the fighting of the Mexican–American War in California. from January 13, 1847

Treaty of Cahuenga

1847 agreement that ended the Conquest of California

The Treaty of Cahuenga, also called the Capitulation of Cahuenga, was an 1847 agreement that ended the Conquest of California, resulting in a ceasefire between Californios and Americans. The treaty was signed at the Campo de Cahuenga on 13 January 1847, ending the fighting of…
Source: Wikipedia (CC BY-SA)

Mexican–American War

Armed conflict between the US and Mexico (1846–1848)

The Mexican–American War, also known in the United States as the Mexican War, was an invasion of Mexico by the United States Army. It followed the 1845 American annexation of Texas, which Mexico still considered its territory because it refused to recognize the Treaties of…
Source: Wikipedia (CC BY-SA)

Alta California

Former province of New Spain and Mexico

Alta California, also known as Nueva California among other names, was a province of New Spain formally established in 1804. Along with the Baja California peninsula, it had previously comprised the province of Las Californias, but was made a separate province in 1804. Following…
Source: Wikipedia (CC BY-SA)