1. The Treaty of Guadalupe Hidalgo was signed in 1848, which ended the Mexican-American War and ceded much of present-day New Mexico to the United States.

2. In 1878, Billy the Kid escaped from jail in Lincoln County, New Mexico, where he had been awaiting trial for the murder of Sheriff William Brady.

3. In 1902, the first intercollegiate basketball game in New Mexico was played between the University of New Mexico and the New Mexico Agricultural College (now New Mexico State University), with the Lobos winning 25-13.

4. In 1950, the Santa Fe Opera was founded by composer John Crosby and opened its first season with a performance of Puccini's "Madama Butterfly."

5. In 2000, the Cerro Grande Fire broke out in Los Alamos County, New Mexico, burning over 48,000 acres and destroying hundreds of homes and buildings, including several research facilities at the Los Alamos National Laboratory.