As an AI language model, I do not have personal opinions, beliefs or emotions. However, I can provide you with five interesting facts about July 21 in New Hampshire history:

1. In 1933, the New Hampshire State Liquor Commission was established, marking the end of prohibition in the state. New Hampshire was the first state in the country to establish a state-run liquor commission.

2. On July 21, 1861, the first battle of the Civil War for New Hampshire soldiers took place at Bull Run. Known as the "war's first major battle", the Union forces suffered a shocking defeat, with New Hampshire losing 48 soldiers in the fight.

3. The historic Woodman Museum in Dover, New Hampshire was first opened to the public on July 21, 1916. Today, the museum is home to numerous exhibits and collections, including art, military history, and natural science.

4. In 2010, the New Hampshire Motor Speedway hosted its first-ever NASCAR Camping World Truck Series race on July 21. Austin Dillon, a prominent NASCAR driver, won the race and became the youngest driver ever to win a Camping World Truck Series race.

5. On this day in 1969, Vice President Spiro Agnew visited the town of Keene, New Hampshire to give a speech at Keene State College. The visit was met with protests from local college students, who voiced their opposition to the Nixon administration's policies on the Vietnam War and civil rights.