Or to put it another way, September 1926. https://content.time.com/time/specials/packages/article/0,28804,1977881_1977883_1977922,00.html https://content.time.

Or to put it another way, September 1926. https://content.time.com/time/specials/packages/article/0,28804,1977881_1977883_1977922,00.html https://content.time.com/time/specials/packages/article/0,28... Also: ancient Rome, one day off in eight, revolutionary France, one day off in ten, Han China, one day off in five. https://en.wikipedia.org/wiki/Workweek_and_weekend#History https://en.wikipedia.org/wiki/Workweek_and_weekend#History