1976 - The Soiling of Old Glory. Pulitzer Prize winning photograph of a black man being attacked by a white man using Old Glory as a weapon outside of a Boston courthouse. This was during the unrest over court ordered school bus deregulation.
This is why I ask "When Was America Great"? In my lifetime I've lived through JFK, Bobby, MLK, The Vietnam War, Watergate, tons of racial unrest, Ford's attempted assassination, Reagan and Brady being shot, Reaganomics, and the disaster of trickle down economics, Contra-gate, the growing financial disparity between the classes, the failed war on drugs, the disastrous Iraq war, the banking and Wall Street meltdowns, etc. etc. etc.
Trump is selling snake oil. Pure and simple. And Wonder Bread White America is lapping it up.