The 1909 McKee's Rocks Strike was a lot worse; in a two hour gun battle 13 strikers, scabs, strikebreakers, and police were killed.
People need to get over this silly nostalgia for a past perfect world that never existed.
My grandfather’s grandfather was a police captain during the 1863 New York draft riots. It was worse than anything in NYC since.
Or the 1892 Homestead Strike with 10 dead and hundreds injured.