1. Guy Fawkes Day
November 5 is widely known as Guy Fawkes Day, linked with the infamous Gunpowder Plot of 1605 in England. This day is celebrated with bonfires or fireworks, and often involves effigies of Guy Fawkes being burned. Although Guy Fawkes Day is not widely observed in the US, some parts of Connecticut still hold annual celebrations.

2. Connecticut gubernatorial election
November 5, 1918, marked a significant event in Connecticut politics with the election of Marcus H. Holcomb as governor. Holcomb was a popular Republican governor who served three terms in office from 1915 to 1921. He oversaw significant reforms in the state, including the reorganization of state government and the establishment of the State Board of Education.

3. Connecticut becomes a state
Another significant event that took place on November 5 was the day Connecticut became a state. On November 5, 1781, Connecticut became the fifth state to join the newly formed United States of America. At the time, Connecticut was already an established colony with a long and rich history, including playing a key role in the American Revolution.

4. Connecticut River floods
November 5, 1984, saw one of the worst floods in Connecticut history. Heavy rainfall caused the Connecticut River to overflow, and the resulting flood caused significant damage and loss of life. Entire communities were inundated, and the flood caused more than $700 million in damages.

5. University of Connecticut becomes co-ed
November 5, 1971, was a significant day for the University of Connecticut (UConn), as it officially became a co-ed institution. Prior to this date, UConn was an all-male college, but the decision was made to admit female students. Today, UConn is one of the largest public research universities in the US and boasts a student body of over 30,000.