1. In 1927, the Great Flood of 1927 impacted New Hampshire, causing major damage in the Merrimack River Valley. The flood was caused by heavy rainfall and snowmelt, and resulted in dozens of deaths and thousands of people being displaced.

2. On April 27, 1777, the town of Charlestown was burned by British troops during the American Revolutionary War. The town had been a center of Patriot activity, and the British hoped to suppress rebellion in the area.

3. In 1865, a group of Confederate soldiers under the command of Captain Henry Wirz was brought to trial in Concord for their role in the Andersonville prison camp during the Civil War. Wirz was ultimately convicted and executed, becoming the only person to be hanged for war crimes committed during the conflict.

4. On April 27, 1892, the New Hampshire College of Agriculture and the Mechanic Arts (now known as the University of New Hampshire) was established by an act of the state legislature. The school originally focused on agricultural and technical education, but has since expanded to include a wide range of academic programs.

5. In 1941, the New Hampshire State House was dedicated in Concord. The building, which had been under construction for several years, was designed in the Classical Revival style and features a large dome and numerous murals and sculptures. Today, it remains a landmark in the state capital and is open for public tours.