THE DAY IN HISTORY · MARCH 20
March 20 in history
What happened on March 20: 1 moment from the Maps of History atlases, in 1921, each linked to the map that shows it.
— Upper Silesia plebiscite
20 Mar 1921 — About 60 per cent of voters in Upper Silesia choose Germany, though results differ from district to district. Polish insurgents rise in May. In October the League divides the region, giving Poland most of its coal mines and steelworks; both sides regard the outcome as unjust.
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