1. On December 27, 1791, the Vermont state legislature officially ratified the United States Constitution, making Vermont the 14th state to join the Union.

2. In 1836, the Vermont State Bank was established on December 27th, becoming the first state bank in the country. The bank operated until 1867, when it was dissolved due to financial difficulties.

3. The town of Delphi, Vermont, was incorporated on December 27, 1811. Located in the southwestern part of the state, Delphi was originally settled in the early 18th century and played an important role in the development of the state's marble industry.

4. In 1958, influential folk musician and political activist Pete Seeger was one of several performers at a concert in Brattleboro, Vermont, on December 27th. The concert was a benefit for the local chapter of the National Association for the Advancement of Colored People (NAACP).

5. December 27, 1807, was the birthdate of William Upham, a Republican politician who served as Governor of Vermont from 1861 to 1863. Upham is perhaps best known for his service as a colonel during the Civil War, where he commanded the 4th Vermont Infantry Regiment.