Two parters saved fabric during WW2.
In 1946 Louis Reard, auto engineer, and part time designer for his mother's Parisian lingerie store, in an effort to drum up publicity for his mothers shop, created the Bikini, first shown on this date in 1946. The newest fashion in swim wear was so scandalous no model would wear one, so Reard hired Micheline Bernardini, a local ecdysiast.
Named for atom bomb tests on Bikini Atoll in the Pacific 5 days earlier. The first's bikini's fabric was printed with news accounts of the blast.
Brigitte Bardot was the first celebrity to publicly wear the reviled suit, but not until 1953.