this is really interesting—there were an estimated 137 japanese shipwrecks along PNW shores from 500-1750. if you google whether japan traded with the PNW pre-columbus the AI summary will say definitively no but hard to believe these wrecks had zero survivors and no one ever went home.
Just let me at them with a baseball bat.
There's anthropological evidence that East Asians were trading with PNW Indigenous people prior to and independently of European explorers!
The civilizations that rose and fell before white people figured out buildings...