1. The Battle of the Great Snow Drifts occurred on December 26, 1717, in the White Mountains of New Hampshire. A group of colonial soldiers led by Captain John Lovewell engaged in a skirmish with a band of Indigenous fighters, resulting in several casualties on both sides.

2. On December 26, 1776, General John Stark led a successful surprise attack on a Hessian outpost in Trenton, New Jersey, during the American Revolutionary War. Stark, who hailed from New Hampshire, was a key figure in the victory that gave new hope to the struggling Continental Army.

3. The Amoskeag Manufacturing Company, one of the largest textile mills in the United States, was founded on December 26, 1831, in Manchester, New Hampshire. The company played a major role in the Industrial Revolution and contributed significantly to the growth of the city of Manchester.

4. The Mount Washington Cog Railway, the world's first mountain-climbing cog railway, began operation on December 26, 1868. The railway, which still operates today, transports passengers to the summit of Mount Washington, the highest peak in the northeastern United States.

5. On December 26, 1945, the first flight of a commercial airplane with a pressurized cabin took place in New Hampshire. A United Airlines flight from Laconia to Boston flew at an altitude of 10,000 feet, reducing passengers' exposure to the effects of high altitude. This event marked a major milestone in the history of commercial aviation.