1. In 1846, the United States declared war on Mexico, starting the Mexican-American War. This conflict had a significant impact on New Mexico, as it was then a part of Mexico and became a battleground between American and Mexican forces.

2. On February 19, 1861, the Confederate States of America established the Confederate Territory of Arizona, which included parts of present-day New Mexico. This move was part of the Confederacy's attempt to expand its territory and gain more resources during the Civil War.

3. In 1909, the New Mexico State Capitol in Santa Fe was completed. The building was designed by architect Herbert Maier in the neoclassical style and is now a National Historic Landmark.

4. On February 19, 1938, a large snowstorm hit New Mexico, causing widespread damage and disruption. The storm brought heavy snowfall and strong winds, leading to power outages, road closures, and other problems.

5. In 2013, New Mexico became the 17th state to legalize same-sex marriage. The decision came after a ruling by a state district judge, who found that denying same-sex couples the right to marry violated the state's constitution. The ruling was later upheld by the New Mexico Supreme Court.