1451
"No nation is older than 250"
(lemm.ee)
Transcript
A threads post saying "There has never been another nation ever that has existed much beyond 250 years. Not a single one. America's 250th year is 2025. The next 4 years are gonna be pretty interesting considering everything that's already been said." It has a reply saying "My local pub is older than your country".
'In the UK, 100 kilometers is a long way. In the USA, 100 years is a long time.'
In the UK we have to ask what that is in miles.
About 62-63, not really that many.