1. Vermont officially became the 14th state in the United States on December 14, 1791. This followed a prolonged struggle for independence and recognition as a state, which had begun during the American Revolution.

2. On December 14, 1853, the first train arrived in Burlington, Vermont, marking the beginning of a new era in transportation and commerce in the state. The railroad expanded rapidly over the following decades, connecting Vermont's cities and towns and facilitating the movement of goods and people across the region.

3. In 1903, the Vermont Marble Company was incorporated on December 14, consolidating several smaller marble companies into a single entity that would become one of the state's most important industries. Vermont marble is prized for its high quality and distinctive color, and has been used in a variety of buildings and monuments across the country.

4. On December 14, 1933, the Civilian Conservation Corps (CCC) arrived in Vermont, as part of a nationwide effort to provide employment and environmental conservation during the Great Depression. The CCC built trails, roads, bridges, and other infrastructure in Vermont's state parks and forests, leaving a lasting legacy of conservation and public recreation in the state.

5. December 14, 2010, marked the 10th anniversary of the Vermont Supreme Court's landmark decision legalizing civil unions for same-sex couples. This decision was a major milestone in the struggle for LGBTQ+ rights in the United States, and helped pave the way for the eventual legalization of same-sex marriage in Vermont and across the country.