There is no credible evidence that Donald Trump has declared any intention to make Canada the 51st state. This claim appears to be either satire or misinformation. While Trump has made strong remarks about U.S.-Canada relations in the past, including trade policies and defense spending, there is no official statement or serious political movement to annex Canada.
If you were referring to a recent speech or statement, I can look up the latest information for you. Let me know how you’d like to proceed!