1. In 1949, the first National Air Show was held in Manchester, New Hampshire. This event attracted thousands of spectators and featured various aerial demonstrations from military and civilian aircraft.

2. On June 9, 1865, New Hampshire Governor Frederick Smyth signed a bill that established the University of New Hampshire. The school has since grown to become a major research institution with campuses located in Durham, Manchester, and Concord.

3. The iconic Mount Washington Cog Railway, the world's first mountain-climbing cog railway, held its inaugural run on June 9, 1869. The railway continues to operate today and offers visitors stunning panoramic views of the White Mountains.

4. In 1909, the New Hampshire State Library building was officially opened in Concord. The impressive building was designed by architect Guy Lowell and features impressive murals by New Hampshire artist, Barry Faulkner.

5. On June 9, 1934, the famous Parker Brothers detective board game, Clue, was granted a patent. The game has since become a classic and features six murder suspects, six possible murder weapons, and nine potential murder locations.