Mindaugas (1253): Lithuania's First and Only Crowned King

Mindaugas was the ruler who first united the Lithuanian lands into a single state and, in 1253, became the first and only crowned King of Lithuania. His baptism in 1251 and coronation with papal blessing brought Lithuania briefly into the community of Latin Christian kingdoms. Although his kingdom did not outlive him, Lithuanians regard Mindaugas as the founder of their state, and the anniversary of his coronation is a national holiday.

Background: Lithuania before Mindaugas

In the early 13th century the Lithuanians were one of the last pagan peoples of Europe. They lived in forested lands between the Baltic coast and the principalities of Rus, divided among many dukes who often raided their neighbours. A treaty of 1219 between Lithuanian dukes and the Rus principality of Galicia-Volhynia lists twenty-one Lithuanian rulers, with Mindaugas among the younger senior dukes.

Pressure from outside pushed the Lithuanians towards unity. To the north, the crusading Order of the Sword Brothers was conquering Livonia; after the Samogitians and Lithuanians crushed it at the Battle of Saule in 1236, it became the Livonian branch of the Teutonic Order. To the south-west, the Teutonic Knights were conquering Prussia. Mindaugas used war, marriage alliances and the killing or exile of rivals to make himself the dominant ruler by the 1240s.

Civil war, baptism and coronation

Around 1248 Mindaugas sent his nephews Tautvilas and Edivydas and their uncle Vykintas to conquer lands in Rus, apparently hoping to be rid of them. Instead they formed a coalition against him with Daniel of Galicia, the Samogitians and the Livonian Order. Facing defeat, Mindaugas made a bold move: he bribed the Order’s master, Andreas von Stirland, with gifts and agreed to accept Christianity.

Mindaugas was baptised in 1251 together with his family and part of his court. On 17 July 1251 Pope Innocent IV issued a bull taking Lithuania under the protection of the Holy See and authorising his coronation. In the summer of 1253, traditionally dated to 6 July, Mindaugas and his wife Morta were crowned by Bishop Heidenreich of Chełmno. The place is not recorded; Vilnius is often suggested, but this is uncertain.

In return Mindaugas granted parts of western Lithuania, including Samogitian lands he did not fully control, to the Livonian Order. A separate Catholic bishopric of Lithuania was created, with a priest named Christian as its first bishop. The coalition against Mindaugas fell apart, and in 1254 he made peace with Daniel of Galicia.

Reign and break with the Order

As king, Mindaugas ruled a state that stretched from Lithuania proper into Black Ruthenia, in today’s western Belarus, around towns such as Navahrudak. He minted no coins and left few documents, but surviving charters show him dealing with the Order and the papacy as an equal monarch.

His alliance with the Order depended on its success, and that failed. In 1260 the Samogitians defeated the Livonian and Teutonic knights at the Battle of Durbe, one of the Order’s worst defeats. Rebellions broke out among the Prussians and Curonians. Probably in 1261, Mindaugas broke with the Order and returned to war with it. A later chronicle claims he abandoned Christianity at this time; historians disagree on whether he formally renounced his baptism.

Assassination

Queen Morta died around 1262. Mindaugas then took as his wife her sister, who was married to Duke Daumantas of Nalšia. In 1263, Daumantas joined a conspiracy with Mindaugas’s nephew Treniota, the Samogitian leader. The conspirators killed Mindaugas and two of his sons, Ruklys and Rupeikis, probably in late summer or autumn 1263.

Lithuania fell into years of violent succession struggles. Treniota was himself killed in 1264, and Mindaugas’s son Vaišvilkas, who had become an Orthodox monk, briefly ruled before his own murder. The bishopric lapsed, and Lithuania remained officially pagan until 1387, when Grand Duke Jogaila accepted Catholic baptism for the country after his marriage to Jadwiga of Poland.

Key people

Mindaugas (born c. 1200, died 1263), Grand Duke and from 1253 King of Lithuania.

Morta, his wife, crowned with him in 1253; she is the only crowned Queen of Lithuania.

Pope Innocent IV authorised the coronation and took Lithuania under papal protection.

Daumantas of Nalšia and Treniota led the plot that killed Mindaugas. Daumantas later fled to Pskov, where he ruled as Prince Dovmont and became an Orthodox saint.

Legacy

Mindaugas is the only crowned King of Lithuania. Later grand dukes, including Vytautas the Great in 1430, tried to obtain crowns but failed. In 1918 the Lithuanian council briefly elected a German prince as King Mindaugas II, but he never reigned.

The rulers who followed, especially the Gediminid dynasty from the early 14th century, built the much larger Grand Duchy of Lithuania on the base Mindaugas had laid. That state fought the Teutonic Order for more than a century, culminating in the Battle of Grunwald in 1410. Since 1991 Lithuania has celebrated 6 July as Statehood Day, and a statue of Mindaugas stands outside the National Museum in Vilnius.

Timeline

• 1219: Mindaugas is named among Lithuanian dukes in a treaty with Galicia-Volhynia.
• 1236, 22 September: Samogitians and Lithuanians defeat the Sword Brothers at Saule.
• c. 1248–1252: Civil war between Mindaugas and his nephews and their allies.
• 1251: Mindaugas is baptised; on 17 July Pope Innocent IV approves his coronation.
• 1253, summer (traditionally 6 July): Mindaugas and Morta are crowned.
• 1260, 13 July: The Order is defeated at the Battle of Durbe.
• c. 1261: Mindaugas breaks with the Livonian Order.
• 1263: Mindaugas and two of his sons are murdered.

Why it matters

Mindaugas turned a loose group of pagan duchies into a recognised European kingdom, giving Lithuania a founding moment that still shapes national identity. His short-lived Christian monarchy also shows how conversion in the medieval Baltic was bound up with diplomacy and war against the crusading orders.