1. On January 9, 1791, Vermont became the 14th state to be admitted to the United States. The state was previously an independent republic for 14 years before joining the union.

2. In 1878, the University of Vermont officially opened its doors in Burlington. The university has since become a prestigious institution known for its research, academics, and athletics.

3. On January 9, 1901, the Vermont Marble Company was founded in Proctor, Vermont. The company became one of the largest producers of marble in the world, and their products can be seen in buildings such as the Lincoln Memorial and the U.S. Supreme Court.

4. The Vermont State House, located in Montpelier, was completed on January 9, 1859. The building is notable for its gold dome and Greek Revival architecture, and it is the oldest state capitol still in use in the United States.

5. January 9, 1925, marked the birth of author J.D. Salinger in New York City, who later settled in Cornish, Vermont. Salinger is best known for his novel "The Catcher in the Rye," which is still widely read and studied today.