But on August 25, the beloved film The Wizard of Oz marks its 80th anniversary ... in particular because of the face mask he had to wear. "The mask wasn't porous, so you couldn't sweat.

The Wizard of Oz without Over the Rainbow ... ended up having “permanent” lines on his face due to the intense rubber mask that was glued to his face every morning for filming.

On Aug. 25, 1939, “The Wizard of Oz” debuted in theaters nationwide ... Not shown in this photo is the most troublesome part of Bolger's scarecrow outfit—a rubber face mask designed to simulate burlap ...