1. In 1782, Delaware officially became the first state to ratify the United States Constitution. This historic event took place on April 6 and played a significant role in shaping American history.

2. On April 6, 1831, Delaware College (now known as the University of Delaware) was founded in Newark, Delaware. The school was established as an all-male institution and has since become a co-educational university known for its exceptional academic programs.

3. In 1904, the Delaware State Hospital in Farnhurst, Delaware, welcomed its first patients. The hospital was designed to provide mental health care services to people in Delaware and the surrounding region.

4. On April 6, 1917, the United States declared war on Germany, becoming involved in World War I. Delawareans played an important role in the war effort, with many residents serving in the military and contributing to wartime manufacturing.

5. In 1985, Delaware became the first state to implement a death penalty statute that adhered to the United States Supreme Court's new standards. The statute replaced an earlier version that was deemed unconstitutional by the court.