Various confrontations took place in the 1930s in which Nationalist Party partisans were involved and that led to a call for an uprising against the United States and the eventual attack of the United States House of Representatives in 1954 . One of the most violent incidents was the 1937 Ponce massacre , in which police officers fired upon Nationalists who were participating in a peaceful demonstration against American abuse of authority . About 100 civilians were wounded and 19 were killed , among them , a woman , Maria Hernández del Rosario , and a seven-year-old child , Georgina Maldonado
Ponce massacre
Ponce massacre
History of women in Puerto Rico