
In the US and Canada, the first Monday in September is Labor Day, the unofficial end of summer vacation (even if you’ve been back in school for weeks already). Acorns are falling, pumpkin spice is in the air, and we’re all looking forward to sweater season (even if it’s still 95 degrees out). But as this Labor Day weekend winds down, let’s have a look at a fascinating 19th century landmark in the history of labor reform—and the crucial role played by some brave girls.