Teutonic Order

The Teutonic Order (Ordo domus Sanctae Mariae Theutonicorum Hierosolymitanorum) was a medieval Catholic military order founded in Acre in 1190 during the Third Crusade. Originally established to care for wounded German crusaders, it rapidly transformed into a crusading military order. The Golden Bull of Rimini (1226), issued by Holy Roman Emperor Frederick II, granted the Order the right to conquer and administer Prussia, initiating its most consequential chapter. Over the 13th and 14th centuries, the Order conquered and Christianized the Baltic Prussians, Lithuanians, and Latvians, building a powerful theocratic state along the southern Baltic coast. Its capital moved from Venice to Marienburg (Malbork) in 1309, a fortress-palace that became the largest brick castle in the world. At its height, the Order controlled Prussia, Livonia, and significant Baltic territories. The decisive Battle of Grunwald (1410) — where a Polish-Lithuanian force under King Władysław II Jagiełło and Grand Duke Vytautas crushed the Order, killing Grand Master Ulrich von Jungingen — broke its military power. The Peace of Thorn (1411) and subsequent conflicts progressively stripped the Order of its territories. In 1525, Grand Master Albert of Brandenburg-Ansbach secularized the Prussian state into the Duchy of Prussia, effectively ending the Order as a territorial power, though it survived as a religious institution.

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