ORDER OF BATTLE // March 6, 1645
Battle of Jankau
Estimated force strength by side, with confidence labels per surviving record.
Forces engaged
2 sides catalogued · combined 32,000 estimated
Sweden
16,000
Medium-confidence figure
Holy Roman Empire
16,000
Medium-confidence figure
Battle context
The Battle of Jankau, fought near Jankov in Bohemia on 6 March 1645, was a major engagement in the later stages of the Thirty Years' War between Swedish and Imperial armies of roughly equal strength, each numbering around 16,000 men. Swedish forces under Lennart Torstensson, supported by commanders including Arvid Wittenberg, Kaspar de Potelles, and Robert Douglas, faced an Imperial army led by Melchior von Hatzfeld, Johann von Werth, and Johann von Götzen. Imperial casualties of 4,000 exceeded the Swedish losses of 3,000–4,000, indicating a Swedish advantage in the outcome of the engagement. Coming in the later stages of the war, the battle was part of Sweden's sustained military pressure on the Habsburg position in Bohemia, which contributed to the broader weakening of Imperial strategic cohesion in the years leading to the Peace of Westphalia in 1648.
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