Danish-Norwegian explorer Caroline Mikkelsen became the first woman to set foot in Antarctica.
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A super-massive iceberg broke away from Antarctica.
Metallica became the first band to have performed on all seven continents when they held a concert in Antarctica.
The deepest point of land was identified.
The Soviet Vostok Station in Antarctica recorded the world's lowest temperature in an inhabited location.
American explorer Charles Wilkes discovered the Shackleton Ice Shelf in Antarctica.
