The Archangel Gabriel, bringer of messages, is patron saint of postal workers and the Post Office.
On June 13, 1920, the US Post Office declared that children may not be sent by parcel post. Before that, several children had been posted to save rail fares but it was ruled that children are not "bees and bugs", the only postable livestock.
The gum on an American postage stamp contains about one-tenth of a calorie.
Throughout the world in 2001, each person posted an average of 73 items. According to the Universal Postal Union, 363,663 million items were sent by letter post in 2011, which works out at an average of one letter a week for every single person on Earth.
Royal Mail in the UK stopped sponsoring Postman Pat in 2000, saying the character no longer fitted its corporate image.