Discovery of Antarctica 200. Estonian-Russian joint issue
1820 was a breakthrough year in the history of the discovery of Antarctica. The continent, which since ancient times had been rumoured to exist, finally was revealed to humankind. Antarctica was first sighted by the Irishman Edward Brasfield, the American Nathaniel Palmer and, as the first, the commanders of the Russian expedition Fabian Gottlieb von Bellingshausen and Mikhail Lazarev.