1. On March 26, 1747, the British Army established Fort Number 4 in Charlestown, New Hampshire. The fort served as a frontier defense against French and Native American attacks during the French and Indian War.

2. In 1789, New Hampshire became the ninth state to ratify the United States Constitution. This momentous occasion occurred on March 26, making it an important day in the state's history.

3. On March 26, 1827, Amos Tuck was born in Exeter, New Hampshire. He went on to become a politician and was one of the founders of the Republican Party in the United States.

4. March 26, 1866, saw the establishment of the University of New Hampshire in Durham. Originally known as the New Hampshire College of Agriculture and the Mechanic Arts, it has since grown into a major research university.

5. On March 26, 1886, Robert Frost was born in San Francisco, California. However, he spent much of his childhood in Derry, New Hampshire, and went on to become one of the state's most famous literary figures. He was awarded the Pulitzer Prize four times for his poetry.