1. On May 19, 1774, the citizens of Portsmouth, New Hampshire, gathered to protest against the British Parliament's Coercive Acts. The Acts were a series of laws that were intended to punish the colonists for the Boston Tea Party, including the closing of the port of Boston, the suspension of the Massachusetts Charter, and the quartering of soldiers in private homes.

2. On May 19, 1829, the town of Wolfeboro, New Hampshire, was incorporated. Wolfeboro is known for being the oldest summer resort in America, and has a rich history of shipbuilding, farming, and tourism.

3. On May 19, 1942, the USS Trout, a World War II-era submarine, was commissioned in Portsmouth, New Hampshire. The Trout would go on to serve in the Pacific Theater of the war, and was credited with sinking several Japanese ships.

4. On May 19, 1961, New Hampshire native Alan Shepard became the first American to travel into space. Shepard's flight, aboard the Freedom 7 spacecraft, lasted just over 15 minutes, and reached an altitude of 116 miles.

5. On May 19, 1978, the first section of the Appalachian National Scenic Trail in New Hampshire was opened. The trail stretches over 2,000 miles from Mount Katahdin in Maine to Springer Mountain in Georgia, and is a popular destination for hikers and outdoor enthusiasts.