1. In 1935, the DuPont Company announced the development of a new product that would later become known as nylon. This synthetic fiber, which was first used in women's stockings, would revolutionize the fashion industry and have a significant impact on Delaware's economy.

2. In 2004, Delaware became the first state in the country to enact a law allowing civil unions for same-sex couples. This landmark legislation paved the way for later decisions, such as the U.S. Supreme Court's ruling on same-sex marriage in 2015.

3. May 14, 1777 saw the Battle of Cooch's Bridge, which was fought between the Continental Army and British forces during the American Revolutionary War. Although it was a minor engagement, it is notable for being the first battle of the war fought in Delaware.

4. The University of Delaware was founded on May 14, 1743, making it one of the oldest universities in the United States. Originally known as the Academy of Newark, it was founded by Francis Alison, who had previously taught at a school in Philadelphia.

5. In 1682, William Penn arrived in New Castle, Delaware, marking the beginning of his leadership in the newly established colony of Pennsylvania. Although Penn did not spend much time in Delaware, his influence on the region and his vision for a Quaker-led government had a lasting impact on the state's history.