Although I hate to be “that guy” — and I am rooting for the Ukrainians to repel their Russian invaders — few people “north of the border” like to be reminded of the Mexican-American War (1846-1848), which was an illegal and unjustified war of aggression initiated by the USA, but the Southwest region of North America, including all of Texas and California, once belonged to Mexico (hat tip: u/Homesanto).