Legislative Branch

October Feature:
Hispanic Heritage Month

September 15 to October 15 is Hispanic Heritage Month. This month we are featuring the private land claim of Luis Mesa. Under the provisions of the Treaty of Guadalupe Hidalgo, which ended the Mexican-American War in 1848, the United States acquired a vast extent of territory. Nevada and Utah and portions of Wyoming, Colorado, New Mexico, and Arizona became American territories and, with the exception of California, which entered as a state in 1850, remained federal territories for many years. When the Mexican government ceded its title to this land, the occupants of the region became American citizens and found themselves subject to new laws.

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Researching Congressional Records

While congressional publications can be found nationwide, the Center's combination of publications and unpublished committee records make our holdings unique.

Visit our Research Portal to get started with your congressional research.

Educational Resources

Our lesson plans are designed to assist teachers with using primary source materials to integrate Congress into history, government, and civics classes.

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  700 Pennsylvania Ave., NW
  Washington, DC 20408
  legislative.archives@nara.gov

  Phone:   (202) 357-5350
  Fax:   (202) 357-5911


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The U.S. National Archives and Records Administration
1-86-NARA-NARA or 1-866-272-6272

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