1. On June 22, 1639, the town of Dover, New Hampshire was founded. It was one of the first permanent settlements in the state and played a significant role in the early years of New Hampshire's history.

2. In 1775, New Hampshire Governor John Wentworth disbanded the state's militia, prompting a group of citizens to gather on June 22 and form their own militia. This group became known as the Green Mountain Boys and played a crucial role in the American Revolution.

3. On June 22, 1819, the first public school in New Hampshire was established in Concord. This marked a significant step forward in the state's efforts to prioritize education for all its citizens.

4. In 1963, the famous poet Robert Frost passed away in Derry, New Hampshire on June 22. Frost is remembered as one of the most important American poets of the 20th century and spent many years living and working in New Hampshire.

5. On June 22, 1979, the celebrated actor Meryl Streep delivered the commencement address at Dartmouth College. Streep, who was born in New Jersey, has been a prominent figure in the entertainment industry for decades and is one of the most decorated actors in history.