1. In 1788, Delaware became the first state to ratify the United States Constitution, marking the beginning of the new nation as we know it today.
2. On July 21, 1861, the First Delaware Regiment was mustered in as part of the Union Army during the American Civil War. The regiment would go on to fight in numerous battles and campaigns throughout the war.
3. The Delaware State Fair, one of the largest and most popular agricultural fairs in the United States, typically starts on or around July 21 each year. The fair features livestock exhibitions, carnival rides, games, live music, and much more.
4. On July 21, 1950, the town of Fenwick Island was incorporated in Sussex County, Delaware. The town, located on the Atlantic Ocean, is a popular destination for beachgoers and boasts a vibrant tourist industry.
5. The Delaware Heritage Trail, a network of historic sites and landmarks throughout the state, includes several notable locations that are linked to July 21. These include the Delaware State House in Dover, where the Constitution was ratified, and the Old State House in Wilmington, which served as Delaware's capitol until 1933.