Irish explorer who led three British expeditions to the Antarctic Ernest Shackleton died #OTD in 1922.
Shackleton's first experience of the polar regions was as third officer on Captain Robert Falcon Scott's Discovery expedition of 1901–1904. During the Nimrod expedition of 1907–1909, he and three companions established a new record Farthest South latitude at 88°S, only 180 kilometres from the South Pole. via @wikipedia
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