1. Franco-American Day: On September 8, 1955, Governor Hugh Gregg issued a proclamation making September 8 Franco-American Day in New Hampshire. This was in recognition of the significant contributions made by Franco-Americans to the culture and history of the state.

2. John Parker Hale: On September 8, 1846, New Hampshire Senator John Parker Hale became the first U.S. Senator to speak out publicly in favor of abolishing slavery. He gave a speech to the Senate calling for the end of the institution, which would eventually lead to the passage of the 13th Amendment to the U.S. Constitution.

3. NH State Fair: The first ever New Hampshire State Fair was held on September 8, 1875 in Manchester, NH. The fair has since become an annual tradition and is now held at the New Hampshire Motor Speedway in Loudon.

4. State House Cornerstone: On September 8, 1816, the cornerstone of the New Hampshire State House in Concord was laid. The State House is still standing today and is one of the oldest state capitol buildings in the country.

5. Plymouth State University: On September 8, 1871, the Plymouth Normal School (now Plymouth State University) opened its doors to its first class of students. The school was established to train teachers and has since grown to become a comprehensive university with a wide range of academic programs.