In the 1940s, for the first time ever, New York City elected the Communist Party to its City Council. Winning 7% of the popular vote and 9% of all seats (1945), this was possible only because the city used STV (PR-RCV). In 1947, STV was repealed by a landslide, and the Communist Party lost all seats
See the comments section for the figures relevant to the title information. ~~~ For those unaware, PR-RCV (or STV) is considered in…