What happened at Haymarket Square on May 4, 1886? U.S. History The Gilded Age and Rise of America Immigrants in America 1 Answer Kaylee C. 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. Answer link Related questions Why do you think immigrants from Germany and Ireland settled in the United States in different places? What is the main reason Jewish immigrants were in a better position to be successful in New York... What were Ellis Island and Angel Island? What happened at these locations? What was the purpose of the Chinese Exclusion Act? Why did many immigrants tolerate difficult living and working conditions? How did the influx of new immigrants from Germany and Ireland affect circumstances in the... What happened at immigration centers? What was the basic purpose of the Emergency Quo Act of 1921, the Immigration Act of 1924 and the... What did the Gentleman's Agreement do? Why did immigrants support political machines? See all questions in Immigrants in America Impact of this question 3251 views around the world You can reuse this answer Creative Commons License