In the 1939 news, to be exact. Public domain news clip available through archive.org. Chevrolet Leader News (Vol. 5, No. 2): "Title Card: 'Chevrolet Leader News' over montage. "
"Title Card: 'Clash! Blades Flash in Sand Duel, Throw Challenge to Scoffers.'
Swimsuited women practicing fencing on beach. CU woman's legs (and shadow) thrusting and parrying in sand; CU legs of opponent doing likewise. VS women fencing (with foils) on beach; automobile pulls up behind them and several women (wearing swimsuits) exit and watch. VS women receiving fencing instructions. Women lift up another and carry her to the surf, dunking her several times, then leave her there as they run from water and to car. Dunked woman stands and runs to shore just as car pulls away; CU woman throwing something to sand while smiling, putting hands on hips and looking o.s. "
We may laugh, but think how a 1930s news announcer would've described the gold sabre match in the last Olympics: "The two welders are waving car antennas at each other, and for some reaon all the lights are going on. Looks like they're finished, and hello, those were ladies under the helmets and metal smocks!"