1. Battle of Bunker Hill: On June 17, 1775, the famed Battle of Bunker Hill took place in Charlestown, Massachusetts. Although not in New Hampshire, this battle was significant for the entire region and is remembered to this day.

2. First NH State Constitution: On June 17, 1784, New Hampshire adopted its first state constitution, outlining the fundamental principles upon which the state would be based. This constitution included important provisions on individual rights and the separation of powers.

3. First NH Women's Suffrage Society: On June 17, 1868, the first women's suffrage society in New Hampshire was established in Concord. Called the New Hampshire Woman Suffrage Association, its mission was to secure voting rights for women in the state.

4. NH Ratifies Prohibition: On June 17, 1919, New Hampshire ratified the 18th Amendment to the US Constitution, which prohibited the sale and manufacture of alcohol throughout the country.

5. Mount Washington Road Race: On June 17, 1961, the first Mount Washington Road Race took place in New Hampshire. This iconic event is now considered one of the toughest races in the world, with runners ascending a 7.6-mile route up the side of Mount Washington, the highest peak in New England.