Canada-U.S. relations have been pretty harmonious — well, over the last century, anyhow. But it’s usually the tense moments that get remembered. Here, some choice pre-Trump low points in bilateral relations.

•1775: Early in their rebellion, Americans invade the British Province of Quebec — and take over Montreal — keen to drive back the forces of King George III. The U.S. revolution is a success, but not the occupation, which ends the next year.