1. In 1868, New Hampshire became the ninth state to ratify the 14th Amendment to the U.S. Constitution, which granted citizenship to all persons born or naturalized in the United States and protected their rights from infringement by state governments.

2. On June 29, 1915, a train on the Boston & Maine Railroad derailed in the small town of Lisbon, New Hampshire, killing two of its crew members and injuring several passengers. The cause of the accident was never determined.

3. In 1937, Governor Francis P. Murphy signed a bill to establish the University of New Hampshire School of Law in Concord. Originally named the Franklin Pierce Law Center, it was later renamed the University of New Hampshire School of Law in 2010.

4. On June 29, 1959, the Mount Washington Cog Railway began operating for the summer season after being closed for several years. The railway, which reaches the summit of Mount Washington, is the oldest mountain-climbing railway in the world.

5. In 1998, New Hampshire became the fifth state in the country to recognize civil unions for same-sex couples, providing them with many of the legal rights enjoyed by married couples. It wasn't until 2009 that the state legalized same-sex marriage.