1. On December 3, 1753, the town of Brentwood, New Hampshire was incorporated.

2. The first ski tow in the United States was operational on December 3, 1934 at the Gilbert and Bennett Manufacturing Company in Georgetown, New Hampshire.

3. On December 3, 1969, the New Hampshire Supreme Court issued its landmark ruling in the case of Duncan v. State of New Hampshire, declaring the state's marijuana prohibition law unconstitutional.

4. In 1984, December 3 was officially designated as National Christmas Tree Day by the New Hampshire state legislature.

5. On December 3, 2017, New Hampshire native and astronaut Peggy Whitson returned to Earth after spending 665 days in space, breaking the record for the most time spent in space by an American astronaut.