TIL The Penny Black was the world's first adhesive postage stamp used in a public postal system. It was first issued in the United Kingdom on 1 May 1840 but was not valid for use until 6 May. The stamp features a profile of 21-year-old Queen Victoria.
#23 rang actuelReddit · todayilearned 10 sept., 00:00 UTC
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Résumé IA
Analyse IA en cours. Le classement et les métriques restent disponibles.
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