1. On November 16, 1776, the state of Delaware adopted its first constitution, establishing the government framework for the new state after breaking away from Pennsylvania.

2. In 1915, the DuPont Company introduced a new type of synthetic rubber called "neoprene" on November 16. This innovation helped to meet the demand for rubber during World War I and became widely used in various industries.

3. November 16, 1939, marked the opening of the Delaware Memorial Bridge, connecting Delaware and New Jersey over the Delaware River. The bridge is a major transportation link for the Northeast corridor and spans 2 miles in length.

4. In 1983, Delaware native Joe Biden was elected to the U.S. Senate, where he would serve for 36 years before being elected as the 46th President of the United States in 2020.

5. The University of Delaware, located in Newark, was founded on November 16, 1743. It is the largest university in Delaware and is known for its strong programs in engineering, business, agriculture, and marine science.