1921 The DuPont Company closed Hagley Yards and moved its corporate offices uptown to 10th and Market Streets.

1942 Fearing bombing raids in the early years of World War II, Delaware Police now had the authority to stop cars that failed to black out headlights or have them properly shaded.

1969 The Governors of Delaware and New Jersey celebrated the one-way movement of traffic on each of the two spans of the Delaware Memorial Bridge.

1995 The first slot machines opened at Delaware Park and Dover Downs with 1,215 machines; 500 at Delaware Park and 715 in Dover.

Today's facts were compiled by historian Roger Martin and brought to you by the Delaware Public Archives.