1. Connecticut's first town meeting was held on October 5, 1665, in Hartford. This meeting set the precedent for democracy in the state and established the town meeting as the primary form of local government.

2. On October 5, 1780, a British raid on the town of Danbury resulted in the destruction of the town and the capture of military supplies. This event became known as the "Burning of Danbury" and had significant effects on the Revolutionary War.

3. In 1868, the Connecticut State Library and Supreme Court were both established on October 5th. These institutions have played a crucial role in the state's governance and education.

4. On October 5, 1945, the University of Connecticut became a co-educational institution, allowing women to attend the university as students for the first time. This decision paved the way for increased accessibility to higher education for women in Connecticut.

5. On October 5, 2002, Yale University dedicated its new $430 million football stadium. The Yale Bowl is one of the most iconic and historic sports arenas in the country, having hosted numerous notable events and games throughout its history.