1. On August 10, 1835, the first steam locomotive arrived in Hartford. The locomotive was built by Hinkley & Drury and was named the "Hartford." It was used to transport passengers and goods between Hartford and Springfield, Massachusetts.

2. The Mark Twain House and Museum in Hartford, Connecticut was built in the late 19th century and was the home of the famous American writer, Mark Twain. On August 10, 1881, Mark Twain moved into the house with his family. The house is now a museum and is open to the public.

3. On August 10, 1904, the first international balloon race was held in Hartford, Connecticut. The race was held between teams from the United States, Germany, and France. The German team won the race, while the American team came in second.

4. The Charter Oak Cultural Center in Hartford, Connecticut is a nonprofit organization that promotes multiculturalism and the arts. On August 10, 1973, the organization was founded and has since become a leading cultural center in the state.

5. The University of Connecticut (UConn) is one of the largest public universities in the United States. On August 10, 1990, UConn became a founding member of the Big East Conference for athletic programs. The school has since won numerous championships in various sports and continues to be a powerhouse in collegiate athletics.