1. On March 10, 1874, the New Hampshire Legislature passed the "Moose Act," which prohibited the hunting or killing of moose in the state for a period of ten years. This early conservation measure was aimed at preventing the extinction of the moose population, which had been reduced by overhunting and habitat loss.

2. On March 10, 1903, the first Boy Scout troop was organized in the United States in Exeter, New Hampshire. The troop was established by William Boyce, an American businessman who had been impressed by the scouting movement during a trip to England.

3. In 1964, on March 10, the United States Supreme Court handed down its landmark decision in Reynolds v. Sims, which established the principle of "one person, one vote" in state legislative districts. The case originated in Alabama, but its ruling had nationwide implications, including in New Hampshire, where redistricting efforts were subsequently undertaken.

4. On March 10, 1998, New Hampshire became the first state in the United States to require all new cars sold within its borders to be equipped with airbags. The law, which took effect in 1999, also required all infants and children under 18 to be properly restrained in a car seat or seatbelt.

5. On March 10, 2015, Senator Kelly Ayotte of New Hampshire introduced the "STOP Identity Theft Act" in the United States Senate. The bill was aimed at combating the growing problem of identity theft by establishing tougher penalties for those who commit the crime and providing more resources to law enforcement agencies to investigate and prosecute such cases.