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Prussia (Preußen) was a feudal state, later a kingdom and finally a republic in central Europe, existing from early modern times to 1945. Its centre was in the northeast of present-day Germany, but at the height of its power it also controlled most of Germany's northern half, vast parts of today's Poland, and—at least temporarily—bits of what now is Denmark, Russia, Lithuania, the Czech Republic, Switzerland and Belgium.
Thomas Wolf
Initially just one of the many states of the Holy Roman Empire, Prussia rose to become one of Europe's great powers during the 17th and 18th centuries. The Prussian troops' drill and discipline was almost proverbial and its army won a series of sensational victories against sometimes far superior enemy troops. Prussian art of war therefore arouses the interest of amateurs of military history up to the present day.
It should not be forgotten, however, that Prussia was also a cultural centre, of which beautiful palaces and gardens stand witness as well as many artworks created by Prussian subjects who enjoyed the patronage of their rulers.