1054, the Great Schism, in which the Western (Roman Catholic) and Eastern Orthodox churches separated from each other. After a number of earlier such schisms, the breach was later repaired, but this one continues nearly 1000 years later.
... (1872-1928), Norwegian, first at the South Pole, first to navigate the Northwest Passage in a single ship
Roy Chapman Andrews, (1884-1960), US explorer
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