The year of 1820 was busy on the coast of Antarctica, with at least two sailing expeditions which are thought to have good claim to be the first from the West to sight the mainland; who led these expeditions?
Edward Wilson as chief scientist, and others - zoologists, biologists, geologists, a physicist and a meteorologist - were the scientific team for which expedition?
In 1935 and 1937, Danish-Norwegian Caroline Mikkelsen and Norwegian Ingrid Christensen became the first women to do what?
Who led the first expedition to successfully circumnavigate the earth between 1519 and 1522, and was killed during the voyage?
