1. On November 21, 1789, New Hampshire became the ninth state to ratify the United States Constitution, which became effective on June 21, 1788.

2. In 1877, the cornerstone for the New Hampshire State Capitol was laid on November 21 by Governor Person C. Cheney. The building's construction was completed in 1888.

3. On November 21, 1953, the Chevrolet factory in Manchester, New Hampshire produced its one millionth truck. This milestone cemented the plant's status as one of the largest employers in the state at the time.

4. In 2008, the New Hampshire Supreme Court issued a landmark decision on November 21, ruling that same-sex couples have the right to marry in the state. This made New Hampshire the sixth state in the United States to legalize same-sex marriage.

5. On November 21, 2012, the town of Salem, New Hampshire was named one of the Best Small Towns to Live in America by Money magazine. The town was recognized for its low crime rate, good schools, and access to the natural beauty of the state.