"No Kings" marches in all 50 states were reminiscent of some of America's biggest debates, from Vietnam to civil rights.

Trump, who turns 79 on Saturday, said he wants a military parade to show how great the country is. The president first pushed the idea in 2017 after attending the Bastille Day parade and celebration in France, saying he wanted to "try and top it." That effort was canceled after price estimates topped $90 million.