1. On September 20, 1777, the British and American armies clashed in the Battle of Bennington, a pivotal engagement in the American Revolutionary War. Led by Vermont militia commander John Stark, the Americans achieved a decisive victory that boosted morale and helped turn the tide of the war in their favor.

2. September 20, 1791 marked the day that Vermont became the 14th state to join the Union, following its admission by the United States Congress. Vermont was the first state to enter the Union after the original 13 colonies.

3. In 1862, the University of Vermont was officially chartered, becoming the fifth college or university established in the state. The university has a long history of academic achievement and innovation, and is now recognized as one of the top public universities in the country.

4. On September 20, 1965, the Vermont State Fair was opened to the public in Rutland, marking the beginning of an annual tradition that has become a beloved part of the state's identity. The fair is known for its agricultural exhibits, carnival rides, and live entertainment, and draws thousands of visitors each year.

5. In 2014, September 20 was officially declared "Rutland B-24 Liberator Day" by the Vermont legislature, in honor of the city's historic connection to the iconic World War II aircraft. The B-24 Liberator was built at a factory in Rutland during the war, and played a crucial role in Allied air operations in Europe and the Pacific.