1. In 1834, the New Hampshire legislature passed a bill officially abolishing slavery in the state. This made New Hampshire the first state to take legislative action to abolish slavery, although the state had already passed a gradual emancipation law in 1783.

2. On April 16, 1929, the New Hampshire School of Agriculture and Mechanical Arts (now the University of New Hampshire) issued its first master's degree. Charles O. Brown received a master's degree in agriculture, marking a milestone in the school's history.

3. The famous poet Robert Frost was born on March 26, 1874, in San Francisco, California, but he spent many of his formative years in New Hampshire. On April 16, 1963, the Robert Frost Farm in Derry was designated a national historic landmark, recognizing the important role that New Hampshire played in Frost's life and work.

4. On April 16, 1992, the New Hampshire State Lottery announced the largest jackpot payout in its history. A $51.2 million prize was split between two winners, each receiving a lump sum of over $6 million after taxes.

5. In April 16, 2011, the town of Peterborough, New Hampshire celebrated the 100th birthday of its historic Peterborough Town Library. The library, which was founded in 1911, is one of the oldest free public libraries in the United States and is still in operation today.