1. On March 22, 1681, William Penn received a land grant from Charles II of England, which included the area now known as Delaware.

2. On March 22, 1765, the Stamp Act was enacted by the British Parliament, which imposed a direct tax on the colonists for printed materials, including legal documents, newspapers, and playing cards. This act led to widespread protests and was a precursor to the American Revolution.

3. On March 22, 1819, the first steamboat arrived in Wilmington, Delaware, which revolutionized transportation and commerce in the state.

4. On March 22, 1935, the Delaware State Highway Department was established, which helped to improve and expand the state's road infrastructure.

5. On March 22, 2002, the University of Delaware Women's Basketball team made history by winning their first-ever NCAA tournament game, defeating the University of Richmond 62-57.