1. On November 19, 1783, John Sullivan was elected as the first President of New Hampshire after its separation from Massachusetts. Sullivan was a key figure in the American Revolution, serving as a general in the Continental Army and leading troops in several battles.

2. The first recorded snowfall of the season occurred on November 19, 1943, in Manchester, New Hampshire. The city received 4 inches of snow, which caused several accidents and power outages.

3. On November 19, 1952, the University of New Hampshire played its first ever football game under the lights. The game was held at the new Memorial Field in Durham and the Wildcat team faced off against Northeastern University.

4. In 1979, New Hampshire Governor Hugh Gallen declared November 19 as "Garbage Truck Safety Day" in honor of a worker who lost his life on that date while collecting garbage. The day is still recognized in New Hampshire each year to promote awareness and safety measures for waste management workers.

5. On November 19, 2014, New Hampshire became the 19th state in the United States to legalize same-sex marriage. The decision was made following a ruling by a federal judge that stated that the state's prohibition on same-sex marriage was unconstitutional.