What happened at Haymarket Square on May 4, 1886?
1 Answer
Dec 17, 2015
The Haymarket Square Riot
Explanation:
The Haymarket Square Riot started as a strike protesting police treatment of strikers. However, the strike quickly grew violent when someone threw a bomb at police.
Read more here and [here.](http://www.illinoislaborhistory.org/haymarket/the-story-of-the-haymarket-affair.html)
