1413
"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".
There's a certain irony that there are a couple of cases of "my local pub is older than your entire country" in the country in question. For example the White Horse Tavern in Newport, RI.