page_title: Territorial evolution of California
hierarchical_section_title: Territorial evolution of California
caption_attribution_description: Map of the states and territories of the United States as it was from February 1848 to May 1848. On February 2 1848, as a result of the Mexican-American War, Mexico ceded a large portion of its land to the United States. On May 29 1848, most of Wisconsin Territory was admitted as the state of Wisconsin, and the remainer became unorganized.
context_page_description: The following timeline traces the territorial evolution of California, the thirty-first state admitted to the United States of America, including the process of removing Indigenous Peoples from their native lands, or restricting them to reservations.
context_section_description: The following timeline traces the territorial evolution of California, the thirty-first state admitted to the United States of America, including the process of removing Indigenous Peoples from their native lands, or restricting them to reservations.
caption: American period: An enlargeable map of the United States after the Treaty of Guadalupe Hidalgo in 1848.
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