1. In 1787, Delaware became the first state to ratify the United States Constitution. This historic event took place in Dover, the state's capital, and paved the way for the formation of the federal government.

2. December 12, 1941, marked the beginning of the Second World War for Delawareans, as the state's National Guard units were called up for active duty following the Japanese attack on Pearl Harbor.

3. In 1989, a deadly tornado outbreak struck Delaware, killing five people and causing widespread damage. The storms were part of a larger system that affected many states in the eastern United States.

4. December 12, 2016, saw Delaware elect its first female and African American attorney general, Kathleen Jennings. Jennings defeated Republican candidate Bernard Pepukayi in a landslide victory.

5. In 2010, Delaware Governor Jack Markell signed into law the Civil Union and Equality Act, making Delaware the eighth state in the United States to offer civil unions to same-sex couples. This was a historic moment for LGBTQ+ rights in the state and set the stage for further progress in the years to come.