1. The town of Plymouth, New Hampshire was established on November 12, 1763. It was named after Plymouth, Massachusetts, where the Pilgrims first settled in 1620.

2. On November 12, 1775, the Second Continental Congress passed a resolution to create the United States Marine Corps. The Marines have a strong presence in New Hampshire, with several recruitment centers and a training facility located in the state.

3. In 1816, New Hampshire became the first state to hold a presidential election after the adoption of the 12th Amendment to the U.S. Constitution, which changed the way the Electoral College worked. On November 12 of that year, New Hampshire held its presidential election, with James Monroe defeating Rufus King.

4. The New Hampshire Historical Society was founded on November 12, 1823. The Society is dedicated to preserving and sharing the state's history through exhibits, publications, and educational programs.

5. On November 12, 2002, the Old Man of the Mountain, a rock formation in the White Mountains of New Hampshire that was one of the state's most iconic landmarks, collapsed. The Old Man of the Mountain had been featured on the state quarter and was a symbol of New Hampshire's rugged beauty. A memorial plaza now stands at the site of the rock formation.