Prussia's Army won major victories like at Leuthen, Leipzig, Waterloo, Königgrätz and Sedan but also suffered devastating defeats such as at Kunersdorf and Jena-Auerstedt.
This article lists all the wars and battles in which Brandenburg-Prussia and the Kingdom of Prussia were militarily engaged in before the founding of the German Empire, covering the period from 1618 to 1871.
Brandenburg succeeded in gaining ultimate sovereignty over the Duchy of Prussia and proved itself during the war as an important military and political power.
In the Crown Treaty signed on 16 November 1700, Elector Frederick III had undertaken to provide a body of 8,000 men for the impending Spanish War of Succession for Emperor Leopold I.
In return, the emperor promised that Frederick's future self-coronation as "King in Prussia" would be recognised across Europe and the Holy Roman Empire.
The coronation took place on 18 January 1701 in Königsberg and from April 1701 the now entitled Royal Prussian Contingent deployed to the Lower Rhine at Wesel.
In November 1714, when Charles XII took personal command of Swedish Pomerania, the Prussian Army, together with the Saxons and Danes, was able to force him back to Stralsund in 1715–16 during the Pomeranian campaign and besiege him there.
The War of the Fourth Coalition saw Prussia and her allies in conflict with France over concerns about the formation of the Confederation of the Rhine and the expansion of Napoleon's influence into Germany.
The German campaign covers all the military engagements that took place from 1813 to 1815 between the troops of Napoleonic France and the allies, consisting of Prussia, Austria, Russia, Sweden and Great Britain.
Following the short-lived return of Napoleon, his reign was finally ended following his defeat against Great Britain and their Prussian allies in the Waterloo Campaign.
The two victorious powers, Austria and Prussia, initially owned and ruled jointly over the duchies of Schleswig, Holstein and Lauenburg.