On this day, 27 April 1934, the FOCH union federation headquarters in Santiago, Chile was attacked by police and bosses’ militia. Seven workers and one child were murdered, with 200 workers badly injured.
More info in this short history of anarchism in Chile: https://libcom.org/history/articles/anarchism-in-chile
Pictured: a protest in Chile against mandatory military service https://www.facebook.com/workingclasshistory/photos/a.296224173896073/1411992612319218/?type=3