1. In 1799, a deadly yellow fever epidemic hit Wilmington, Delaware. More than 400 people died in just a few short weeks, and many more fled the city in fear of contracting the disease.

2. On July 27, 1869, the Wilmington and Western Railroad opened for business, providing a much-needed transportation link between the western parts of Delaware and the port city of Wilmington.

3. In 1918, the Delaware State Chamber of Commerce was founded on July 27th. This organization has played a key role in promoting economic growth and development in the state, and today it remains one of the most influential business groups in Delaware.

4. On July 27, 1953, the DuPont Company announced that it had discovered a new synthetic fiber that would revolutionize the fashion industry. The fiber, called Dacron, would go on to become one of the most popular materials for making clothing and linens.

5. In 1976, the first annual Delaware Shakespeare Festival was held on July 27th. This event has since become a beloved tradition in the state, drawing actors and theater-lovers from across the region to experience the works of Shakespeare in a beautiful outdoor setting.