Here are five interesting facts about March 20 in New Mexico history:

1. In 1912, New Mexico became the 47th state in the United States. This followed years of struggle for statehood, as New Mexico had been a territory since the Treaty of Guadalupe Hidalgo ended the Mexican-American War in 1848.

2. In 1933, President Franklin D. Roosevelt signed the Beer and Wine Revenue Act, which legalized the sale of beer and wine. This was an early step in ending Prohibition, which had been in place since 1920. New Mexico was among the states that ratified the 21st Amendment to the Constitution, which repealed Prohibition in 1933.

3. In 1969, New Mexico State University won the NCAA men's basketball championship. The team, coached by Lou Henson, defeated the University of Utah in the final game, which was held in Louisville, Kentucky. This was the first NCAA championship won by a team from the state of New Mexico.

4. In 1970, the University of New Mexico held its first Earth Day celebration. The event was organized by a group of students and faculty members who were concerned about environmental issues. The celebration included speeches, music, and a march through campus.

5. In 1986, the first class of the United World College of the American West graduated. The school, which is located in Montezuma, New Mexico, was founded in 1982 as part of a network of international schools that aim to promote peace and understanding among people of different nationalities and cultures. The first graduating class included students from 48 countries.