1. On February 25, 1914, Joseph "Mad Dog" Taborsky was born in Hartford, Connecticut. He became a notorious criminal known for his violent bank robberies and murders in the 1940s. He was eventually caught and executed in 1950.

2. The Connecticut State Library was established on February 25, 1854. It started with a collection of just 3,000 books and has grown to become one of the largest libraries in the state with over 2 million items.

3. On February 25, 1933, the Connecticut state legislature ratified the 21st Amendment to the U.S. Constitution, which repealed the 18th Amendment (Prohibition). Connecticut was the 15th state to ratify the amendment.

4. The Hartford Courant, the oldest continually published newspaper in the United States, was first published on February 25, 1764.

5. On February 25, 1892, the first public electric trolley system in the United States began operation in New Britain, Connecticut. The system eventually expanded to other towns and cities across the state.