1. Mount Mansfield became Vermont's highest peak on August 11, 1837, with an elevation of 4,393 feet. The mountain attracts hikers and skiers throughout the year and offers stunning views of the surrounding area.

2. The Vermont State Fair, one of the longest-running fairs in the country, started on August 11, 1846. The fair attracts thousands of visitors each year and offers a variety of activities, including carnival rides, agricultural exhibits, and live music.

3. The first State Normal School, now known as Castleton University, was established on August 11, 1868. The school was founded to train teachers and has expanded its offerings to include a variety of undergraduate and graduate programs.

4. On August 11, 1927, Vermont Governor John E. Weeks signed the bill that established the Vermont State Police. The state police were formed to provide statewide law enforcement services and have since expanded to include specialized units such as the bomb squad and K-9 teams.

5. The Vermont Yankee Nuclear Power Plant, located in Vernon, generated its first electrical power on August 11, 1972. The plant operated for over 40 years before being decommissioned in 2014. Its closure marked the end of Vermont's reliance on nuclear power.