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.
Seal of Ohio The Great Seal of the State of Ohio is the official insignia of the U.S. state of Ohio. All governmental offices, agencies, and courts in Ohio use variations of the state seal. Its primary feature is a circular coat of arms that depicts a sunrise in Chillicothe, Ohio's first capital, along with symbols of the state's origins. The seal sometimes appears with the state motto, "With God, all things are possible".