1. On September 12, 1958, New Hampshire's first toll highway, the Everett Turnpike, officially opened to the public. It was named after Governor Everett Dirksen, who oversaw its construction.

2. The famous author, Stephen King, was born in Portland, Maine on September 21, 1947, but he spent most of his childhood in Durham, New Hampshire. He attended the University of Maine, located just across the border from New Hampshire, in Orono.

3. The New Hampshire State House, located in Concord, was officially dedicated on September 12, 1819. It is the oldest state capitol building in the nation that has been in continuous use by the legislature.

4. On September 12, 2008, Heather O'Rourke, an actress best known for her role in the "Poltergeist" film series, was born in San Diego, California. Although she never lived in New Hampshire, she is buried in the city of Manchester, where her mother is from.

5. September 12 is also known as "Granite State Day" in New Hampshire, celebrating the state's rich history and natural beauty. Many events are held throughout the state on this day, including educational programs, historical reenactments, and fairs showcasing local products and crafts.