1. New Hampshire was the ninth state to ratify the Declaration of Independence on July 4, 1776. This made it one of the original thirteen colonies, contributing to the formation of the United States of America.

2. The state has a rich Revolutionary War history and was the site of multiple battles, including the Battle of Bunker Hill and Battle of Saratoga, which played a crucial role in the war's outcome.

3. In Portsmouth, NH, the first-ever American flag was raised on soil. This happened at Fort William and Mary on December 13, 1774, more than a year prior to the Declaration of Independence.

4. New Hampshire was the birthplace of many notable figures in American history who contributed to the country's development. These include Franklin Pierce, the 14th U.S president, and revolutionary leader John Stark, as well as famous authors such as Robert Frost and J.D. Salinger.

5. Today, the celebrations continue as the state hosts numerous events and parades throughout the day to commemorate Independence Day. Residents and visitors from all over the country flock to the state to enjoy the festivities and the beautiful seaside scenery that New Hampshire has to offer.