1. In 1637, the first recorded earthquake in New Hampshire history occurred on May 26th. It was measured to be around 6.5 on the Richter scale and caused damage to several homes and buildings in the area.

2. On May 26, 1819, the first steamship to travel up the Merrimack River, the "Merrimack," arrived in Concord. This groundbreaking event ushered in a new era of transportation and commerce in the state.

3. The first Memorial Day parade in the United States was held in Portsmouth, New Hampshire on May 26, 1868. This historic event celebrated the sacrifices made by soldiers during the Civil War and has since become a national holiday.

4. On May 26, 1903, the Old Man of the Mountain was first discovered by a group of surveyors in Franconia Notch. This iconic natural rock formation became a symbol of New Hampshire and was featured on the state's license plates for many years before it tragically collapsed in 2003.

5. In 2007, a group of students from Dartmouth College launched their own weather balloon on May 26th. The balloon reached an altitude of over 90,000 feet and captured stunning images of the Earth from space. This groundbreaking project demonstrated the innovative and creative spirit of New Hampshire's young people.