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Duchy of Troppau ended in 1918.
Duchy of Troppau was created in 1269.
Great Britain. Of the Allied powers, only Russia, Austria and Prussia signed the agreement, the so-called Troppau Protocol of 1820.
Erika Grajena was born on March 4, 1922, in Troppau , Czechoslovakia.
Lia Ley was born on October 19, 1899, in Troppau, Silesia, Austria-Hungary.