Trump's rally's have recently been becoming violent and protesters have started demonstrating against him. Have things like this ever happened before during a US primary election? Have people protested a primary candidate's speeches before?

by TueuEnSerie
commiespaceinvader

I just want to post a quick reminder here that we have the 20-year-rule in place, which says that

To discourage off-topic discussions of current events, questions, answers and all other comments must be confined to events that happened 20 years ago or more, inclusively (e.g. 1996 and older). Further explanation on this topic can be found in this META Thread

Thank you!