1. In 1776, Caesar Rodney, a Delaware delegate to the Continental Congress, made the historic ride from Dover to Philadelphia to cast his vote for the adoption of the Declaration of Independence.

2. On April 20, 1904, the University of Delaware was founded as Delaware College. It was one of the first land-grant institutions in the country, and today it is a leading research university.

3. On this day in 1910, the DuPont Company introduced its new product, "Duco" lacquer, which revolutionized the automotive industry by providing a durable, glossy finish for cars.

4. On April 20, 1968, Delaware Senator Robert F. Kennedy visited Wilmington to campaign for the Democratic presidential nomination. He spoke to a crowd of over 10,000 people and emphasized the need for civil rights and social justice.

5. In 2010, the Delaware State Fair announced that 2010 would be the last year that it would hold its opening day on April 20th. The fair was moved to late July to avoid conflicts with school schedules and to allow more time for preparation.