Frederick William II of Prussia

Frederick William II of Prussia

King of Prussia
Born Sep 25, 1744

Frederick William II was the King of Prussia, reigning from 1786 until his death. He was in personal union the Prince-Elector of Brandenburg and the sovereign prince of the Principality of Neuchâtel.

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Learn about the memorable moments in the evolution of Frederick William II of Prussia.


1744 Birth Born on September 25, 1744.


1758 13 Years Old Frederick William became heir-presumptive to the throne of Prussia on his father's death in 1758, since Frederick II had no children. … Read More


1765 20 Years Old His marriage with Elisabeth Christine of Brunswick-Lüneburg, daughter of Charles I, Duke of Brunswick-Lüneburg, contracted 14 July 1765 in Charlottenburg, was dissolved in 1769.
1769 24 Years Old He then married Frederika Louisa of Hesse-Darmstadt, daughter of Ludwig IX, Landgrave of Hesse-Darmstadt on 14 July 1769 also in Charlottenburg. … Read More


1781 36 Years Old In 1781 Frederick William, then prince of Prussia, inclined to mysticism, had joined the Rosicrucians, and had fallen under the influence of Johann Christoph von Wöllner and Johann Rudolf von Bischoffwerder. … Read More


1787 42 Years Old Moreover, he was involved in two more (bigamist) morganatic marriages: with Elisabeth Amalie, Gräfin von Voß, Gräfin von Ingenheim in 1787 and (after her death in 1789) with Sophie Juliane Gräfin von Dönhoff. … Read More
1788 43 Years Old The opposition to Wöllner was, indeed, at the outset strong enough to prevent his being entrusted with the department of religion; but this too in time was overcome, and on 3 July 1788 he was appointed active privy councillor of state and of justice and head of the spiritual department for Lutheran and Catholic affairs. … Read More
1791 46 Years Old Meanwhile, the French Revolution alarmed the ruling monarchs of Europe, and in August 1791 Frederick William, at the meeting at Pillnitz Castle, agreed with Emperor Leopold II to join in supporting the cause of King Louis XVI of France. … Read More
1792 47 Years Old A formal alliance was indeed signed on 7 February 1792, and Frederick William took part personally in the campaigns of 1792 and 1793, but the king was hampered by want of funds, and his counsels were distracted by the affairs of a deteriorating Poland, which promised a richer booty than was likely to be gained by the anti-revolutionary crusade into France. … Read More
1793 48 Years Old The insurrection in Poland that followed the partition of 1793, and the threat of unilateral intervention by Russia, drove Frederick William into the separate Treaty of Basel with the French Republic (5 April 1795), which was regarded by the other great monarchies as a betrayal, and left Prussia morally isolated in the struggle between the monarchical principle and the new republican creed of the Revolution. … Read More
1794 49 Years Old In 1794–1797 he had a castle built for her on the Pfaueninsel.


1797 53 Years Old On 16 November 1797, Frederick William II died in Potsdam. … Read More
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