1. In 1681, Delaware's first known court case occurred on March 4th. A dispute between Thomas Price and John May resulted in a ruling against May for failing to fulfill his contractual obligations.
2. In 1777, the British army under General William Howe occupied Wilmington on March 4th during the American Revolutionary War. This occupation lasted until June of that year.
3. On March 4, 1793, the Delaware House of Representatives passed a resolution declaring support for President George Washington's recent proclamation of neutrality in the ongoing European Wars.
4. The Wilmington and Western Railroad was incorporated on March 4, 1867, with the goal of improving transportation and commerce in the region. The railroad is still operational as a tourist attraction today.
5. On March 4, 1929, Delaware Senator Thomas Bayard Jr. introduced the Maternity and Infancy Protection Act, which aimed to provide federal funding for prenatal and maternal healthcare. While the bill did not pass, it helped to raise awareness of the need for such support.