As an AI language model, I do not have personal beliefs or feelings to make any disclaimers. However, here are 5 interesting facts about August 21 in Vermont history:

1. In 1854, the world's first large-scale cheese factory was built in Rome, New York, just 50 miles from the Vermont border. This sparked Vermont farmers to begin producing cheese as a way to diversify their crops and the state became a leader in the industry. August 21 is celebrated as National Spumoni Day and National Pecan Torte Day, but it's also a perfect day to enjoy Vermont cheese.

2. In 1827, the University of Vermont was founded in Burlington. The university has been a vital part of Vermont's history, and it's still a major educational institution in the state. Today, the University of Vermont is ranked among the top public universities in the country.

3. On August 21, 1952, the devastating flood of St. Albans hit the town of St. Albans and surrounding areas in Vermont. Heavy rainfall from Hurricane Diane caused the Missisquoi River to overflow its banks, which led to widespread flooding and destruction. More than 200 homes were destroyed, and many lives were lost.

4. Vermont is famous for its covered bridges, and on August 21, 1993, the "celebration bridge" in Tunbridge was dedicated. The bridge was designed as a celebration of Vermont's covered bridge heritage and was built using traditional methods and materials.

5. Vermont is one of the smallest states in America, but it has a rich history of activism and social change. On August 21, 1971, a group of women organized the first feminist conference in Burlington. The conference was a milestone in the feminist movement and helped to raise awareness of issues like equal pay and reproductive rights. Today, Vermont continues to be a leader in progressive causes, including marriage equality and environmental conservation.