1. On April 22, 1803, Dartmouth College was granted a royal charter by King George III. This charter established the college as a university and granted it the power to confer degrees.

2. April 22, 1861, marked the beginning of the American Civil War. On this day, President Abraham Lincoln called for 75,000 volunteers to come forward to serve in the Union Army in response to the secession of seven southern states.

3. In 1909, New Hampshire was the first state in the country to create a Forest Fire Protection Law. This law helped to prevent forest fires and protect the state's natural resources.

4. April 22, 1970, was the first Earth Day, an event created to raise awareness about environmental issues. New Hampshire was one of the many states that participated in this day.

5. On April 22, 2017, over 5,000 runners participated in the annual "Smuttynose Rockfest Half Marathon" in Hampton, New Hampshire. This race is an important event for the local community and provides an opportunity for people to come together and celebrate fitness and healthy living.