In the 15th century the Polish-Lithuanian Commonwealth is facing a hard struggle against the neighboring Teutonic Order.Frequent clashes between the two powers finally culminate in 1410 with... Read allIn the 15th century the Polish-Lithuanian Commonwealth is facing a hard struggle against the neighboring Teutonic Order.Frequent clashes between the two powers finally culminate in 1410 with the Battle of Grunwald.In the 15th century the Polish-Lithuanian Commonwealth is facing a hard struggle against the neighboring Teutonic Order.Frequent clashes between the two powers finally culminate in 1410 with the Battle of Grunwald.