1. In 1784, New Hampshire became the ninth state to ratify the United States Constitution.

2. On June 26, 1854, the American Telegraph Company established the first telegraph line from Boston to New York, passing through New Hampshire.

3. In 1940, the Mount Washington Cog Railway, located in New Hampshire's White Mountains, completed its first successful round-trip climb of the mountain.

4. On June 26, 1963, New Hampshire became the first state in the nation to adapt an official state sport, choosing skiing as its state sport due to the popularity of the activity in the state.

5. In 2015, New Hampshire became the 21st state in the nation to legalize same-sex marriage, a landmark decision that opened the door for marriage equality across the United States. The first same-sex marriages took place in the state on January 1, 2010.