Congress of Gniezno
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The Congress of Gniezno was an amicable meeting between the Polish Duke Bolesław I the Brave and Emperor Otto III, which took place at Gniezno in Poland on 11 March 1000. Scholars disagree over the de
The spearhead of the Holy Lance, Imperial Treasury, Vienna
Polish replica of the Holy Lance, Wawel Hill, Kraków
Silver relic coffin of St. Adalbert at Gniezno Cathedral
Portrait of Bolesław with the replica of the Holy Lance, Jan Matejko (1838–1893)
Siege of Niemcza
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The siege of Niemcza took place during three weeks in August 1017, in the last phase of the German–Polish War, when the forces of the Emperor Henry II besieged the town of Niemcza controlled by the Po
A memorial plaque at the main square in Niemcza, Poland