1. In 1776, the New Hampshire state constitution was adopted on October 9, becoming the first state to have its own constitution in the newly formed United States.

2. On October 9, 1850, President Millard Fillmore signed the Compromise of 1850, which allowed California to enter the United States as a free state while also strengthening fugitive slave laws.

3. On October 9, 1919, New Hampshire's first commercial airport was opened in Manchester, allowing for greater air travel and commerce in the state.

4. In 1963, the first ski resort in New Hampshire, Cranmore Mountain Resort, opened for business on October 9, starting a new era of winter sports tourism in the state.

5. On October 9, 2003, the New Hampshire Supreme Court ruled that same-sex couples have the right to legal recognition and protection, making it the first state to grant such rights without a court order.