1. In 1790, the first United States Census was taken throughout New Hampshire, counting a total population of 141,899 residents. This was a significant milestone in the early history of the state, helping to provide critical data and insights into the demographic and economic makeup of the region.

2. On April 3, 1861, shortly after the outbreak of the American Civil War, New Hampshire Governor Nathaniel S. Berry issued a proclamation calling for the mobilization of the state's militia. Over the course of the war, more than 33,000 New Hampshire men served in the Union Army, with many of them making the ultimate sacrifice in defense of the country.

3. New Hampshire's long and proud tradition of manufacturing was highlighted on April 3, 1897, when a massive fire broke out at the Amoskeag Manufacturing Company in Manchester. The blaze destroyed several buildings and caused millions of dollars in damage, but the company was able to recover and continue operations for many years to come.

4. In 1933, New Hampshire became the first state in the nation to enact a minimum wage law, setting a standard of 25 cents per hour for most workers. This historic legislation helped to protect workers from exploitative practices and paved the way for the later establishment of federal minimum wage regulations.

5. Finally, on April 3, 1961, the iconic New Hampshire-born poet Robert Frost delivered his last public reading in the state at the University of New Hampshire. Frost, whose work celebrated the natural beauty and rugged independent spirit of New England, remains one of the most beloved writers in American literature.