1. On December 31, 1841, New Hampshire became the first state to issue postage stamps. The stamps featured a portrait of former U.S. President George Washington.

2. In 1860, the first official New Year's Eve celebration occurred in Portsmouth, New Hampshire. The event included a parade, fireworks, and the ringing of the town's bell to mark the start of the new year.

3. On December 31, 1879, the state's first electric streetcars were introduced in Manchester. The streetcars were powered by electricity generated by a nearby textile mill.

4. In 1963, the newly built Hampton Beach Casino Ballroom in Hampton, New Hampshire, hosted its first New Year's Eve party. The ballroom has since become a popular venue for concerts and events.

5. On December 31, 1999, New Hampshire residents joined people around the world in celebrating the turn of the millennium. The state's largest celebration was held at the Portsmouth Naval Shipyard, where a crowd of over 10,000 gathered for music, fireworks, and a countdown to midnight.