| http://www.w3.org/ns/prov#value | - The peak of their development came in the wake of Warsaw's revival after the Swedish invasion, which had seriously ravaged the city.[3] Three times between 1655-1658 the city was under siege and three times it was taken and pillaged by the Swedish, Brandenburgian and Transylvanian forces.[1][6] They stole many valuable books, pictures, sculptures and other works of art - mainly, the Swedish troops
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