1. In 1847, the Battle of Canada Alamosa took place between the United States and Mexico during the Mexican-American War. U.S. Forces led by General Stephen W. Kearny defeated a Mexican force led by General Manuel Armijo.

2. In 1912, New Mexico was admitted as the 47th state in the United States. This followed decades of efforts by New Mexico residents to achieve statehood and gain representation in the U.S. Congress.

3. In 1929, New Mexico governor Arthur T. Hannett signed a bill designating the hot air balloon as the official state aircraft of New Mexico. This recognition was based on the deep history and important role of hot air balloons in the state, including the annual Albuquerque International Balloon Fiesta.

4. In 1945, the Neutron Science Laboratory was dedicated at Los Alamos National Laboratory. This facility played a key role in the development of nuclear weapons during World War II and continued to be a cornerstone of scientific research in New Mexico for decades.

5. In 1972, the New Mexico State Constitution was amended to create the State Board of Education. This change shifted responsibility for overseeing public schools in New Mexico from the governor to a designated board of education, setting the stage for more centralized decision-making and improved education outcomes.