I've been on an #Enough binge. One of the old phrases that came to mind is "500 Years is enough". I used to see protest signs or memes but now a quick search got me #BillBigelow's page:
> In the 1970s an #Ojibway teacher flew to #Italy and.. announced, “I discover and claim this land in the name of #AmericanIndians.”.. largely unreported in the North American press.. [It] was intended to demonstrate the absurdity of.. #Columbus’s.. claim of October 12, #1492.
https://rethinkingschools.org/articles/columbuss-lingering-legacy-500-years-is-enough/