1. May 3, 1936, marked the date of the deadliest tornado in Delaware history. The storm, which hit the city of Milford, killed 21 people and left over 200 others injured.

2. On May 3, 1777, the Continental Congress passed a resolution offering amnesty to British soldiers who would defect and join the American Revolution. This was a significant moment in the War of Independence, as it allowed Americans to gain much-needed intel from former British soldiers.

3. On May 3, 1861, Delaware was the only state in the North to vote against secession. When the state was considering leaving the Union, a group of Unionists came together to block any attempts at secession. This decision had a significant impact on the outcome of the Civil War.

4. May 3, 1961, marked the launching of the first American astronaut into space. Alan B. Shepard, Jr., went on a suborbital flight aboard the Freedom 7 spacecraft. His flight lasted just over 15 minutes, but it was a major step forward in American space exploration history.

5. On May 3, 1994, the University of Delaware's football team won its first national championship. The team defeated Youngstown State by a score of 38-21 at the NCAA Division I-AA Championship Game in Chattanooga, TN. This victory cemented the team's place in Blue Hen football history.