Long before the argument about whether or not leggings are pants, there was another argument: should women be allowed to wear pants? Throughout history, women have long been judged – and even arrested – for what they choose or choose not to wear, but few know the outrage and chaos created by Luisa Capetillo, the Puerto Rican labor organizer who fought for women’s rights and the liberation of Puerto Rico.

Here’s a look at most interesting facts and accomplishments about this mujer fuerte.