1. Delaware officially became a state: On December 27, 1787, Delaware became the first state to ratify the United States Constitution, officially becoming a state in the newly formed nation.

2. Major fires in Delaware: Unfortunately, the date of December 27 holds a dark history for Delaware, as two major fires occurred on this day in its history. In 1804, the State House in Dover burned down, destroying important government documents and historical artifacts. In 1944, a fire broke out at the DuPont Powder Works in Carney's Point, New Jersey, that was visible from Wilmington, Delaware.

3. Birth of Delaware politician: On December 27, 1924, U.S. Senator from Delaware William Roth was born in Great Falls, Montana. Roth went on to serve in the Senate for 34 years, from 1971 until 2001.

4. First-ever night football game in Delaware: In 1954, the first-ever night football game was played in Delaware on December 27th at the Wilmington Athletic Club. The game was between the Delmarva All-Stars and the California (PA) Teachers.

5. Delaware native wins Nobel Prize: On December 27, 1977, Delaware native Rosalyn Yalow was awarded the Nobel Prize in Physiology or Medicine for her work in developing the radioimmunoassay technique. Yalow was the second woman to win the Nobel Prize in Physiology or Medicine, and the first woman born and educated in the United States to do so.