World Post Day is celebrated each year on 9 October, the anniversary of the establishment of the Universal Postal Union in 1874 in the Swiss Capital, Bern.

Keypoints

• The theme of World Post Day 2021 is “Innovate to recover.” 
• The purpose of World Post Day is to bring awareness to the post's role in the everyday lives of people and businesses.
•  World Post Day marks the anniversary of the Universal Postal Union, which started in 1874 in Switzerland.
• The UPU was the start of the global communications revolution, introducing the ability to write letter to others all over the world.