1. On November 20, 1910, New Mexican boxer Joe Rivers won the world lightweight championship by defeating his opponent, Battling Nelson, in an intense fight that lasted 20 rounds.

2. The New Mexico State Capitol building was officially dedicated on November 20, 1966, after several years of construction. The building was designed by architect W.C. Kruger and features a distinctive dome and rotunda.

3. The small community of Eunice, New Mexico, was incorporated as a city on November 20, 1951. Today, Eunice is known as the "Pumpjack Capital of the World" due to its large number of oil wells.

4. On November 20, 1946, the New Mexico State Police was officially established as a law enforcement agency. The agency was formed in response to the increasing number of crimes committed by organized crime syndicates in the state.

5. The historic El Rancho Hotel in Gallup, New Mexico, officially opened its doors on November 20, 1937. The hotel quickly became a popular destination for Hollywood celebrities due to its proximity to several movie studios and its unique Southwestern style.