One of the worst incidents was the Ponce massacre on March 21 , 1937 , when police officers fired upon Nationalists who were participating in a peaceful demonstration . About 100 were wounded and nineteen were killed , among the dead was one woman Maria Hernandez del Rosario and a seven-year-old child , Georgina Maldonado
Ponce massacre
Ponce massacre
Puerto Rican women in the military