On this day, 30 July 1913, 20,000 textile workers in Barcelona, mostly women and children, went on strike against low wages and long hours. Female strikers cut the hair of scabs, marking them as traitors. The strike continued until 15 September, when the governor introduced a maximum 60 (!) hour week. More info in this great history of women’s struggles in Barcelona around that time: https://libcom.org/history/female-consciousness-collective-action-barcelona-temma-kaplan
(Content note: the linked article contains mention of sexual violence) https://www.facebook.com/workingclasshistory/photos/a.296224173896073/1177618395756642/?type=3