It is the little word in that makes the title "King in Prussia" (German König in Preussen) an extraordinary one.

It is the title of the Prussian kings from 1701 until 1740. They resided in their electorate Brandenburg (Berlin, Potsdam) which was a part of the German kingdom. Calling oneself king when you are citizen of a kingdom is a obvious offence of one's king. So elector Frederick III. of Brandenburg and the German king agreed on the term "King in Prussia". Events January 18 - Frederick I becomes King of Prussia. ... Events May 31 - Friedrich II comes to power in Prussia upon the death of his father, Friedrich Wilhelm I. October 20 - Maria Theresia of Austria inherits the Habsburg hereditary dominions (Austria, Bohemia, Hungary and present-day Belgium). ... In politics, an electorate is the group of entities entitled to vote in an election. ... Surrounding but excluding the national capital Berlin, Brandenburg is one of Germanys sixteen Bundesländer (federal states). ...   Berlin? (pronounced: , German ) is the capital of Germany and its largest city, with 3,426,000 inhabitants (as of January 2005); down from 4. ... (This article is about the German city of Potsdam. ... Friedrich I of Prussia. ...

After the Prussian victories in the wars of 1740/42, 1744/45 and 1756/63 against Habsburg Austria (German kings were mostly Habsburg in the 18th century) and after the annexation of West Prussia (linking Brandenburg with Hohenzollern East Prussia) from Poland in 1772, the Prussian kings carried the title "King of Prussia". The national name Prussia (in Prussian: Prusa, German: Preußen, Polish: Prusy, Lithuanian Prusai, Latin: Prussia or Borussia) was used by a wide variety of political factions during the 2nd millennium. ... Events May 31 - Friedrich II comes to power in Prussia upon the death of his father, Friedrich Wilhelm I. October 20 - Maria Theresia of Austria inherits the Habsburg hereditary dominions (Austria, Bohemia, Hungary and present-day Belgium). ... // Events January 24 - Charles VII Albert becomes Holy Roman Emperor. ... // Events The third French and Indian War, known as King Georges War, breaks out at Port Royal, Nova Scotia Ongoing events War of the Austrian Succession (1740-1748) Births May 19 - Charlotte of Mecklenburg-Strelitz, queen of George III of Great Britain (d. ... // Events May 11 - War of Austrian Succession: Battle of Fontenoy - At Fontenoy, French forces defeat an Anglo-Dutch-Hanoverian army including the Black Watch June 4 – Frederick the Great destroys Austrian army at Hohenfriedberg August 19 - Beginning of the 45 Jacobite Rising at Glenfinnan September 12 - Francis I is elected... 1756 was a leap year starting on Thursday (see link for calendar). ... 1763 was a common year starting on Saturday (see link for calendar). ... Habsburg (sometimes spelled Hapsburg, but never so in official use) was one of the major ruling houses of Europe. ... Annexation is the legal merging of some territory into another body. ... One of four districts of East Prussia in 1920 - 1938. ... Aerial view of the castle, Hohenzollern, Germany. ... East Prussia (German: Ostpreu en; Polish: Prusy Wschodnie; Russian: Восточная Пруссия — Vostochnaya Prussiya) was a province of Kingdom of Prussia, situated on the territory of former Ducal Prussia. ... 1772 was a leap year starting on Wednesday (see link for calendar). ... The following is a list of Kings of Prussia (Könige von Preußen) from the Hohenzollern family. ...