article: Frederick William II of Prussia
links: Holy Roman Empire Wolfgang Amadeus Mozart Potsdam Kingdom of Prussia Frederick the Great Calvinist Prince Frederick, Duke of York and Albany House of Hohenzollern William I of the Netherlands Patronage Ludwig van Beethoven Canton of Neuchâtel Louise of Mecklenburg-Strelitz King of Prussia Brandenburg Gate George I of Great Britain Frederick William III of Prussia Luigi Boccherini French Revolution Frederick I of Prussia Joseph Haydn