[anitil]

There's a sense in which is predates the US! Throughline from NPR had an episode about it, referring to a book called 'How the Post Office Created America' [1]

[0] https://www.npr.org/2020/09/02/908836752/the-postal-service

[1] https://www.penguinrandomhouse.com/books/311582/how-the-post...