1. In 1796, Vermont became the 14th state to join the United States of America. This momentous occasion took place on September 19th, marking the beginning of Vermont's history as an official state.

2. On September 19, 1861, the Battle of Shepherdstown was fought during the American Civil War. This was a significant engagement in the Maryland Campaign and is considered by many to be the last battle of the campaign.

3. Vermont's famous dairy industry was also founded on September 19th in 1913. The Vermont dairy industry is known worldwide for its high-quality dairy products, including cheese, milk, and ice cream.

4. September 19th is also known as "International Talk Like a Pirate Day," which was first celebrated in Vermont in 1995. This tongue-in-cheek holiday has since gained popularity around the world and is now celebrated by pirate enthusiasts of all ages.

5. In 1996, Vermont became the first state in the United States to recognize civil unions between same-sex couples. This landmark decision was made on September 19th and paved the way for marriage equality in Vermont and throughout the country.