So the march protesters showed up expecting to be assaulted by the alt-right groups, and they were assaulted. That shows that the violent white supremacists lived up to expectations.

As to an assault on history, history is intact. What citizens and their legitimate governments are doing in removing statues isn't revision of history, it is removal of powerful symbols of white supremacy, Jim Crow, and the traitorous Confederate rebellion against the nation of their birth.