The Battle of Grunwald (1410): The Decisive Defeat of the Teutonic Knights

The Battle of Grunwald was the most important military engagement in the history of the Teutonic Knights. The standard account in English is William Urban’s Tannenberg and After: Lithuania, Poland and the Teutonic Order in Search of Immortality (2003), with the older work by Steven Runciman still useful. Fought on 15 July 1410, the battle was a decisive defeat for the Order at the hands of a combined Polish-Lithuanian army, and it marked the end of the Order’s expansion in the Baltic. The battle was also a major moment in the history of Poland and Lithuania, and it has been the subject of numerous works of literature, art, and film in both countries — most recently and controversially in Henryk Sienkiewicz’s The Teutonic Knights (1900) and the Polish film Krzyżacy (1960), which treated the battle as a national-liberation event and which remain politically charged.

For the broader context, see the main article on the Teutonic Knights, the Northern Crusades article, and what happened to the Teutonic Knights.

The Background of the Battle

The Battle of Grunwald was the result of a long series of conflicts between the Teutonic Knights and the Polish-Lithuanian alliance. The Order had controlled a vast territory in the Baltic, including Prussia, Livonia, and parts of Lithuania, and it had long been a major obstacle to Polish and Lithuanian expansion. The Order’s power was, however, increasingly challenged by the rise of the Polish-Lithuanian alliance, which had been established in 1386 with the conversion of Grand Duke Jogaila of Lithuania to Christianity and his marriage to the Polish queen Jadwiga.

The immediate cause of the battle was a dispute over the Samogitian territory in western Lithuania, which had been ceded to the Order by the Treaty of Kalisz of 1343 but which had been taken over by Lithuania in 1409. The Order demanded the return of the territory, and the Polish-Lithuanian alliance refused. The dispute escalated into a full-scale war, and both sides began to gather their forces.

The Polish-Lithuanian alliance assembled a large army, drawn from Poland, Lithuania, and various allied forces. The army was led by King Wladyslaw II Jagiello of Poland and Grand Duke Vytautas of Lithuania, who were the most powerful rulers in Eastern Europe. The Teutonic Knights assembled their own army, drawn from the Order’s territories in Prussia and Livonia, and led by Grand Master Ulrich von Jungingen.

The Armies

The Polish-Lithuanian army that fought at the Battle of Grunwald was one of the largest forces ever assembled in medieval Eastern Europe. The army numbered perhaps 30,000 to 40,000 troops, including Polish knights, Lithuanian light cavalry, Tatar auxiliaries, and Czech mercenaries. The army was well-trained, well-equipped, and well-led, and it represented the combined might of the Polish-Lithuanian alliance.

The Teutonic army was smaller, but it was more disciplined and better-trained. The army numbered perhaps 15,000 to 20,000 troops, including Teutonic Knights, German mercenaries, and various allies. The army was led by Grand Master Ulrich von Jungingen, who was one of the most experienced commanders of the Order. The Teutonic army was a formidable force, but it was outnumbered by the Polish-Lithuanian alliance.

The two armies met on 15 July 1410, near the villages of Grunwald, Tannenberg, and Ludwigsdorf, in what is now northeastern Poland. The battle is named after the village of Grunwald, but it is also known as the Battle of Tannenberg, a name that was popularized by the German nationalist propaganda of the 20th century. The site of the battle is now a major memorial and museum.

The Battle

The battle began on the morning of 15 July 1410, with the Polish-Lithuanian army advancing on the Teutonic positions. The Teutonic Knights, who had taken a defensive position, allowed the Polish-Lithuanian army to approach, and then launched a series of attacks against the Polish and Lithuanian lines. The early attacks were repulsed, but the Teutonic Knights continued to press their advantage.

The battle was long and hard-fought. The Polish knights, who were heavily armored, fought with great courage, but they were unable to break through the Teutonic lines. The Lithuanian light cavalry, who were famous for their mobility, was more successful, but they were eventually driven back by the Teutonic counterattacks. The battle hung in the balance for several hours, with neither side gaining a clear advantage.

The turning point came in the afternoon, when the Teutonic Knights made a critical mistake. Grand Master Ulrich von Jungingen, who had been advised to retreat, decided to launch a final assault. The assault was repulsed, and the Polish-Lithuanian army counterattacked. The Teutonic lines broke, and the Grand Master was killed in the fighting. The death of the Grand Master was a major blow to the Teutonic Knights, and the army was soon in full retreat.

The Aftermath

The Battle of Grunwald was a major defeat for the Teutonic Knights. The Grand Master and most of the Order’s high officers were killed in the battle, and the Order’s army was destroyed. The Polish-Lithuanian alliance captured the Teutonic headquarters at Marienburg, and they occupied much of the Order’s territory. The Order was forced to pay a large indemnity, and it lost much of its power in the Baltic.

The battle marked a major turning point in the history of the Teutonic Knights. The Order’s expansion was definitively over, and the Order was forced to abandon many of its conquests. The Order’s power was never fully restored, and the Order would continue to decline throughout the 15th and 16th centuries. The Order’s state in Prussia was eventually secularized in 1525, and the Order was transformed into a purely religious institution.

The battle was also a major moment in the history of Poland and Lithuania. The victory at Grunwald is celebrated in both countries as a major moment in their national history, and it has been the subject of numerous works of literature, art, and film. The battle is also significant for the development of Polish-Lithuanian identity, and it is a powerful symbol of the unity of the two nations.

The Long-Term Consequences

The Battle of Grunwald had long-term consequences for the Baltic region. The Teutonic Knights’ power was significantly reduced, and the Polish-Lithuanian alliance emerged as the dominant force in the region. The alliance would last for centuries, and it would play a major role in European politics until the partitions of Poland in the late 18th century.

The battle also had consequences for the development of the modern Baltic states. The Order’s territory in Prussia was eventually absorbed by the Polish-Lithuanian alliance, and the Order’s territory in Livonia was divided between Poland, Sweden, and Russia. The battle is therefore a major moment in the history of the modern Baltic states, and it continues to be a powerful symbol in the region.

The most important modern work on the battle is William Urban’s Tannenberg and After: Lithuania, Poland and the Teutonic Order in Search of Immortality (2003), which provides a detailed and balanced account of the battle and its consequences. Urban’s work is the most comprehensive and the most authoritative, and it has helped to refine our understanding of the battle. Other important works include those by Stefan Czerner, who has written on the battle’s military aspects, and by Tomasz Byrski, who has written on the battle’s cultural significance.