From issuing of world's first adhesive postage stamp to nationalization of coal mines in India, we've got it all covered!
Let's dive into today's history.
Great Britain issues world's first adhesive postage stamp 'Penny Black'
(Photograph:WION)
International Socialist Congress observes first May Day
Fidel Castro declares Cuba a socialist nation and abolishes elections
Nationalization of coal mines in India
Sweden legalises same-sex marriage
