1. In 1791, New Hampshire became the ninth state to ratify the United States Constitution, helping to establish the federal government that still exists today.

2. The town of Hanover, New Hampshire, was incorporated on December 15, 1761. The town is home to Dartmouth College and has a rich history dating back to the colonial era.

3. On December 15, 1890, New Hampshire became the first state to adopt a state sport, choosing skiing as its official winter sport. Given New Hampshire's abundance of snow and stunning mountain ranges, the choice is not surprising.

4. In 1814, a massive fire destroyed much of the town of Portsmouth, New Hampshire, including many of the historic homes and buildings in the city's downtown area.

5. December 15, 1774, marked the day that the so-called "Grafton County Rebellion" began. Farmers in the area, upset over high taxes and government corruption, rebelled against the colonial authorities, and the incident helped fuel the populist movement that eventually led to the American Revolution.