Happened across this. From site All Voices . com
Letter sent to French town in 1790 finally arrives at its correct destination 220 years later
By PETER ALLEN
A letter took 220 years to be delivered because one letter in the address was misread by postal workers, it emerged today.
In 1790 the white envelope containing two sheets of writing paper was sent from Paris to the south west France town of Seix, near Toulouse.
Instead it arrived at the village of Saix, some 150 miles away, where it remained in a local sorting office because the addressee could not be found.
Return to sender: The letter will finally arrive at its intended destination in Seix, France, 220 years after it was first posted
In 1999 a Saix archivist logged the letter while sorting out local council records and now - a decade later - a motion has finally been passed to get the letter to Seix.
It was opened and found to be an official note from the authorities in Paris informing Seix officials that their request to make their town the capital of their municipality had been refused.
Henri Blanc, the mayor of Saix, took the decision to finally deliver the letter, saying: ‘It was about time.'
town that received the late letter:
