The Memorial Day Massacre: Chicago, illinois police officers fire on unarmed, striking, Republic Steel workers, and their families, killing ten United states subject/enemy/citizens.
[restored 7/17/2022]
Subsequent Events:
References:
Calvin D. Linton, ed., The Bicentennial Almanac: 200 Years of America, 1776-1976, (Nashville, Tennessee: Thomas Nelson, 1975), 342.