"Why celebrate Columbus? It was the onset of colonialism, the slave trade and dispossession of the Native people of the Americas. So, that is celebrated with a federal holiday. That’s followed then by Thanksgiving, which is a completely made-up story to say the Native people welcomed these people who were going to devastate their civilizations, which is simply a lie. And then you go to Presidents’ Days, the Founding Fathers, in February, and celebrate these slaveowners, Indian killers. George Washington headed the Virginia militia for the very purpose of killing Native people on the periphery of the colony, before, you know, when it was still a Virginia colony. And then we have the big day, the fireworks, July 4th, independence, which is probably the most tragic event in world history, because it gave us—it gave the world a genocidal regime under the guise of democracy. And that’s really the—I’m a historian, so that’s the historical context that I think we have to see Thanksgiving in, that it is a part of that mythology that attempts to cover up the real history of the United States."
January 1, 1970
https://en.wikiquote.org/wiki/George_Washington