1. In 1853, the Manchester and Lawrence Railroad was officially opened, connecting the cities of Manchester, New Hampshire and Lawrence, Massachusetts. This railroad played a key role in the transportation of goods and people between the two cities for many years.

2. On May 31, 1919, the city of Concord, New Hampshire was hit by a deadly tornado. The tornado caused widespread damage throughout the city, killing 5 people and injuring more than 30 others.

3. In 1954, the Memorial Bridge connecting Portsmouth, New Hampshire and Kittery, Maine was officially opened. The bridge was built to honor New Hampshire veterans who had served in World War II and the Korean War.

4. On this day in 1969, the New Hampshire State House was designated as a National Historic Landmark. The State House, located in Concord, has been the seat of New Hampshire's legislative and executive branches of government since 1819.

5. In 1985, the Old Man of the Mountain, a famous granite rock formation in Franconia Notch State Park, collapsed. The "Old Man" had been New Hampshire's state symbol since 1945, and its collapse was a significant loss for the state. Today, a memorial to the Old Man stands at the site of the former rock formation.