Frederick William II of Prussia vs Osman II

Frederick William II was a noted patron of music. He was a cellist and commissioned works from Wolfgang Amadeus Mozart, including the 'Prussian Quartets', and from Ludwig van Beethoven, who dedicated his Cello Sonatas Op. 5 to him. His court in Berlin became a center for classical music.

Frederick William II led Prussia into the War of the First Coalition against Revolutionary France. The Prussian army was defeated at the Battle of Valmy in 1792, a major symbolic victory for the French Revolution. Prussia withdrew from the coalition in 1795 with the Treaty of Basel, recognizing French gains.

Frederick William II participated in the Second Partition of Poland, acquiring the cities of Danzig and Thorn and the region of South Prussia. This expanded Prussian territory significantly but also brought a large Polish population under Prussian rule, creating long-term ethnic and political tensions.

Frederick William II oversaw the completion and promulgation of the Allgemeines Landrecht (General State Laws) for the Prussian States. This comprehensive legal code, begun under Frederick the Great, codified civil, criminal, and constitutional law, unifying the legal system across Prussia's diverse territories.

Osman II personally led the Ottoman army in a siege of the Polish-Lithuanian fortress of Khotyn. The campaign ended in a stalemate, and the Treaty of Khotyn was signed, confirming the existing border. The failure weakened Osman's prestige.

Osman II attempted to reform the Janissary corps by creating a new army loyal to him, bypassing the Janissaries. He also planned to move the capital to Cairo. These moves threatened Janissary power and led to their revolt.

Osman II was captured and murdered by Janissaries during a revolt in Istanbul. He was the first Ottoman sultan to be killed by his own soldiers. His death marked a turning point, showing the Janissaries' power to depose and kill sultans.