What is associated with: a 1936 operetta the headless horseman was based on this 1820 short story?

What is associated with: a 1935 study found that water in galesburg ill helped prevent tooth decay because it contained… What is associated with: a 1935 version of this dostoyevsky classic is seen here? What is associated with: a 1936 dissent by justice stone accused 6 other justices of a tortured construction of this do… What is associated with: a 1936 fire in this city destroyed the prefabricated crystal palace? What is associated with: a 1937 article on senoras of mexico showed her as mrs diego rivera? What is associated with: a 1937 general strike in trinidad is commemorated every june 19 celebrated as this day? What is associated with: a 1937 riding accident left this anything goes composer permanently disabled? What is associated with: a 1939 college baseball game was the first sports event shown on this medium?