1. On November 23, 1945, the atomic bomb was tested for the first time at the Alamogordo Bombing and Gunnery Range in South Central New Mexico. The test, known as the Trinity test, was a pivotal moment in the development of the atomic bomb.

2. In 1910, a balloon mail service was inaugurated in New Mexico. On November 23 of that year, the first flight took off from Albuquerque to carry mail to Santa Fe. The service was short-lived, but it served as an important step in aviation history.

3. On November 23, 1863, Confederate forces led by General Sibley invaded New Mexico during the Civil War. The Battle of Peralta ensued, pitting Confederate soldiers against Union troops, and resulted in a Union victory.

4. A notable New Mexican artist, Georgia O'Keeffe, was born on November 23, 1887. O'Keeffe is known for her distinct style of painting, which often featured natural forms and landscapes.

5. The first commercial flight in New Mexico took place on November 23, 1926. The flight departed from the Albuquerque airport and landed in El Paso, Texas. This was an important moment in the development of New Mexico as a center of transportation and commerce.