It has become an iconic anti-war symbol and one of the most powerful anti-war paintings in history. It shows the results of the casual practice bombing by Hitler's German air force, acting in support of General Francisco Franco during the Spanish Civil War, of the little village of Guernica, Spain on April 26, 1937.
Quick Answer. The normal maximum mouth opening (MMO) is approximately 48 millimeters for humans. The ability to position three fingers of either the left or the right hand in the mouth between the upper and the lower front teeth indicates normal size of the mouth. Continue Reading.
Clear width is 32 inches (815 mm) minimum measured from the one side wall to the face of the opposite side wall. The maximum depth of the opening shown is 24 inches (810 mm). EXCEPTION: Doors not requiring full user passage, such as shallow closets, may have the clear opening reduced to 20 in (510 mm) minimum.