Alfonso XIII vs Frederick William II of Prussia

Alfonso XIII became King of Spain at birth, as his father Alfonso XII had died. His mother Maria Cristina served as regent until he came of age in 1902.

During Alfonso XIII's minority, Spain lost the Spanish-American War, ceding Cuba, Puerto Rico, and the Philippines to the United States. This disaster led to the Generation of '98 and a crisis of national identity.

Spanish forces suffered a catastrophic defeat at Annual in Morocco, with thousands killed by Rifian rebels. The disaster severely damaged the monarchy's prestige and led to political crisis.

Alfonso XIII supported General Miguel Primo de Rivera's coup, which established a military dictatorship. The king's association with the dictatorship further eroded support for the monarchy.

After the Republican victory in municipal elections, Alfonso XIII left Spain without abdicating. The Second Spanish Republic was proclaimed, and he lived in exile until his death in 1941.

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.