Working Class History#OtD 20 Feb 1919 during the revolutionary upsurge of the Biennio Rosso (Two Red Years), metalworkers in the FIOM union achieved a maximum eight-hour working day from the employers, which was to be implemented in May and August that year https://stories.workingclasshistory.com/article/11002/metalworkers-win-eight-hour-day
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