1. On August 27, 1927, the first annual New Mexico State Fair was held in Albuquerque. The fair continues to be a beloved annual event, attracting hundreds of thousands of visitors each year.

2. In 1945, a group of scientists at the Los Alamos National Laboratory witnessed the Trinity test, the first successful atomic bomb test. The event marked a critical turning point in the development of nuclear weapons and forever changed the course of world history.

3. On August 27, 1978, a group of six people, including journalist Genevieve Bell and photographer Louise Marker, set out on a 1,200-mile journey to document the lives and cultures of the Navajo people. The resulting project, called The Navajo Project, is now considered a landmark work in the field of collaborative cultural anthropology.

4. In 1980, the federal government designated the Chaco Culture National Historical Park as a UNESCO World Heritage site. The park is home to some of the country's most well-preserved evidence of ancient Puebloan civilization and attracts visitors from around the world.

5. On August 27, 2008, the U.S. National Park Service celebrated its 92nd anniversary by offering free admission to all national parks across the country. Many New Mexico parks, including the Carlsbad Caverns and White Sands National Monument, participated in the event, which proved to be a huge success.