1st May 1840: The Penny Black, the worlds first pre-paid postage stamp, goes on sale in the UK

Published: May 1, 2024, 2:05 a.m.

The Penny Black allowed letters weighing up to half an ounce (14 grams) to be delivered for one penny, regardless of the distance travelled. This made sending mail more accessible and affordable, leading to a significant increase in postal traffic and the growth of the postal ...