1. On April 12, 1934, the famous American poet Robert Frost delivered a speech at the dedication of a new library at the University of New Hampshire. In his speech, Frost praised the power of literature and urged the students to read widely and deeply.

2. April 12 is also the anniversary of the founding of the New Hampshire Historical Society in 1823. The society's mission is to collect, preserve, and share the history of New Hampshire, and it has played an important role in documenting the state's past.

3. In 2008, on April 12, the town of Henniker, New Hampshire celebrated the 250th anniversary of its founding. Events included a parade, a historical reenactment, and the laying of a commemorative stone.

4. On April 12, 1951, the New Hampshire state legislature passed a law establishing the New Hampshire Fish and Game Department. The department is responsible for managing the state's fish and wildlife resources and promoting outdoor recreation.

5. Finally, April 12 marks the anniversary of the opening of the Mount Washington Cog Railway in 1869. The railway is a popular tourist attraction that takes visitors to the summit of Mount Washington, the highest peak in New England.