What is the name of the primary symbol, which is now outlawed outside of the context of art or science, and was widely used even on the state flag?
Nazi symbolism The 20th century German Nazi Party made extensive use of graphic symbolism, especially the "Hakenkreuz" (swastika), which was used as its principal symbol and, in the form of the swastika flag, became the state flag of Nazi Germany.
Flag of Delaware The flag of the state of Delaware consists of a buff-colored diamond on a field of colonial blue, with the coat of arms of the state of Delaware inside the diamond. Below the diamond, the date December 7, 1787, declares the day on which Delaware became the first state to ratify the United States Constitution. The colors of the flag reflect the colors of the uniform of General George Washington.