1. The Battle of Hubbardton - On June 30, 1777, the Battle of Hubbardton took place in Vermont, which was then claimed by New Hampshire. The battle was part of the Saratoga campaign during the American Revolutionary War.

2. The Isle of Shoals Murders - On June 30, 1873, two women were brutally murdered on the Isle of Shoals off the coast of New Hampshire. The murders shocked the nation and became the subject of many books and articles.

3. The New Hampshire Constitution - On June 30, 1784, New Hampshire ratified its own constitution, becoming the first state to do so following the signing of the United States Constitution.

4. The Lakes Region Railroad - On June 30, 1849, the Lakes Region Railroad opened, connecting Concord and Lake Winnipesaukee. This railway was significant in the growth of tourism in the region and is still in use today.

5. The Birth of a Baseball Legend - On June 30, 1895, baseball legend Shoeless Joe Jackson was born in Pickens County, South Carolina. Jackson played for the Boston Red Sox in the early 1900s and later became famous for his role in the 1919 World Series scandal.