1) In 1777, on January 25th, the Constitution of the State of Vermont was adopted in Windsor. This document was significant as it was one of the first written constitutions in American history, and it abolished slavery in Vermont.

2) January 25, 1949, is known as the "Coldest Day in Vermont History." The temperature in Bloomfield reached -50 degrees Fahrenheit, and in Montpelier, it was -34 degrees Fahrenheit. This record-breaking cold spell was the result of an Arctic air mass that settled over the region.

3) In 1963, on January 25th, Vermont made history by becoming the first state to ban billboards along its highways. This initiative was a response to concerns about the negative impact of billboards on the state's natural beauty and tourism industry.

4) On January 25, 1988, the Vermont legislature passed a law approving civil unions between same-sex couples, making it the first state in the nation to do so. This groundbreaking legislation paved the way for marriage equality in Vermont and other states.

5) In 2008, on January 25th, Vermont Senator Bernie Sanders announced his candidacy for president of the United States. Sanders, a self-described democratic socialist, gained a significant following during his presidential campaign, and his policy proposals served as a rallying point for progressive activists across the country.