Most 'invasions' were the product of displacement--like that from the Black Hills which would "belong to the Sioux until the sun no longer rises in the East", (which we now know to be gubmint speak for a period of much less than ten years).
Most ‘invasions’ were the product of displacement—like that from the Black Hills which would “belong to the Sioux until the sun no longer rises in the East”,
And if Custer had won a the Battle of the Little Big Horn, and died in his bed in the 1920s, would he or the battle even be remembered today?