"Nawh, try 1867. If you haven't heard of it you're either the world's best hermit or we come from different places." Which should answer Peter's other question, too. It's common enough to be a household name on his version of Earth.

A sigh rattles out of him, deflating his posture. "Sorry, it's still a big ask to wrap my head around this-" Lucas gestures vaguely to their surroundings, "-all in one day. But I guess you can say the same, right? Not like they had cellphones in the sixties. Or at least where I'm from they didn't."