New Mexico played a significant role in the American Civil War, with Union and Confederate forces fighting several battles in the territory. The most famous of these was the Battle of Glorieta Pass in 1862, which ended Confederate hopes of capturing the Southwest.
Bernalillo County, located in the central part of the U.S. state of New Mexico, has a rich and diverse history that dates back thousands of years. The area was originally inhabited by Native American tribes, including the Tiwa and Tanoan people, who lived off the land and established settlements along the Rio Grande.

In 1540, Spanish explorer Francisco Vásquez de Coronado led an expedition into what is now Bernalillo County. The Spanish established several missions and settlements in the region, including the Alameda Mission and the village of Alburquerque (later renamed Albuquerque). These early settlements laid the foundation for the region's future development.

During the 19th century, Bernalillo County experienced significant growth with the arrival of American pioneers and traders. The region became an important trading post along the historic Santa Fe Trail, further connecting it to the expanding western frontier. In 1851, Bernalillo County was officially established as one of the original nine counties in the newly formed New Mexico Territory.

Bernalillo County played a significant role during the Mexican-American War and the American Civil War. It served as a strategic location for both sides, as the Rio Grande acted as a natural barrier. The county saw battles, skirmishes, and military engagements, leaving a lasting impact on the region.

In the 20th century, Bernalillo County continued to grow and develop, becoming an important center for government, commerce, and culture in New Mexico. Today, the county is home to the vibrant city of Albuquerque, which is the state's largest city and the cultural, economic, and political hub of the region. Bernalillo County's rich history can be seen through its diverse architectural styles, cultural traditions, and landmarks that reflect the people who have called this area home throughout the centuries.

This timeline provides a condensed summary of the historical journey of Bernalillo County, New Mexico.

  • 1692: Bernalillo County established as part of New Spain's Santa Ana Pueblo land grant.
  • 1821: Mexico gains independence from Spain, and Bernalillo County becomes part of the Republic of Mexico.
  • 1848: Bernalillo County is ceded to the United States as part of the Treaty of Guadalupe Hidalgo, ending the Mexican-American War.
  • 1852: Bernalillo County officially organized as a county within the New Mexico Territory.
  • 1880: Completion of the Atchison, Topeka and Santa Fe Railway line through Bernalillo County stimulates growth and development in the region.
  • 1902: The county seat is moved from Albuquerque to nearby Los Ranchos.
  • 1930: The county seat is moved back to Albuquerque due to the city's rapid growth and importance.
  • 1960s: Bernalillo County experiences significant population growth as a result of urbanization and suburban development.
  • 2000s: Bernalillo County implements various initiatives to promote economic development, community engagement, and sustainable growth.