Prussian Army

Hohenfriedeberg - Attack of Prussian Infantry - 1745

The Royal Prussian Army (1701–1919, german: Königlich Preußische Armee) served as the

army An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...

of the

Kingdom of Prussia The Kingdom of Prussia (german: Königreich Preußen, ) constituted the German state of Prussia between 1701 and 1918. Marriott, J. A. R., and Charles Grant Robertson. ''The Evolution of Prussia, the Making of an Empire''. Rev. ed. Oxford: ...

. It became vital to the development of Brandenburg-Prussia as a European power. The Prussian Army had its roots in the core

mercenary A mercenary, sometimes also known as a soldier of fortune or hired gun, is a private individual, particularly a soldier, that joins a military conflict for personal profit, is otherwise an outsider to the conflict, and is not a member of any ...

forces of

Brandenburg Brandenburg (; nds, Brannenborg; dsb, Bramborska ) is a state in the northeast of Germany bordering the states of Mecklenburg-Vorpommern, Lower Saxony, Saxony-Anhalt, and Saxony, as well as the country of Poland. With an area of 29,480 square ...

during the

Thirty Years' War The Thirty Years' War was one of the longest and most destructive conflicts in European history, lasting from 1618 to 1648. Fought primarily in Central Europe, an estimated 4.5 to 8 million soldiers and civilians died as a result of battl ...

of 1618–1648. Elector Frederick William developed it into a viable

standing army A standing army is a permanent, often professional, army. It is composed of full-time soldiers who may be either career soldiers or conscripts. It differs from army reserves, who are enrolled for the long term, but activated only during wars o ...

, while King

Frederick William I of Prussia Frederick William I (german: Friedrich Wilhelm I.; 14 August 1688 – 31 May 1740), known as the "Soldier King" (german: Soldatenkönig), was King in Prussia and Elector of Brandenburg from 1713 until his death in 1740, as well as Prince of Ne ...

dramatically increased its size and improved its doctr