[budadre75]

The US lasted 243 years. Is it the oldest modern nation? I wonder, how will the modern nations different from the ancient ones?

[yks]

it is not, case in point: Great Britain

[Dirlewanger]

I think judging by the oldest extant constitution (or other equivalent legal document), the US is the oldest.

[mamon]

Also: Poland, France, Germany, Spain, Portugal, pretty much every European nation.

Edit: Seems that GP conflates "nation" and "state". If we're counting continuity of government, they probably only Great Britain is a good example, other countries had undergone many changes, from absolutism, to constitutional monarchy, to non-existence, to democracy, to fascist dictatorships.

[dredmorbius]

Japan probably claims that crown: 660 BCE.

https://en.wikipedia.org/wiki/List_of_sovereign_states_by_da...