The COVID-19 crisis has put pressure on international postal supply chains to an unprecedented degree. Cross-border exchanges decreased by 21% between 23 January - 14 May 2020, compared to the same period the previous year.
The first known postal document, found in Egypt, dates from 255 BC. But even before that time postal services existed on nearly every continent in the form of messengers serving kings and emperors.
The Penny Black was the world's first adhesive postage stamp used in a public postal system. It was first issued in Great Britain, on 1 May 1840, but was not valid for use until 6 May.
Since 1971, the UPU has encouraged young writers aged 9-15 to write letters on a given theme to win exciting prizes. The competition is an excellent way of making young people aware of the important role postal services play in our societies. Get involved!
https://www.un.org/en/observances/world-post-day
You learn something new each day:)
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