Battle of Grathe Heath | |||||||
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Part of Danish Civil War | |||||||
![]() Monument at Grathe hede, by J.Th Hansen | |||||||
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Belligerents | |||||||
Forces of Valdemar I | Forces of Sweyn III | ||||||
Commanders and leaders | |||||||
Valdemar I | Sweyn III † | ||||||
Strength | |||||||
~2000 |
~4000-5000 (entire force of Zealand and east Denmark mustered) | ||||||
Casualties and losses | |||||||
minor |
~4000 entire force slain, captured or scattered |
The Battle of Grathe Heath was fought in 1157 between the Danish armies of Valdemar I and his rival for the Danish throne, Sweyn III. Valdemar's forces won the battle, and Sweyn III was slain while attempting to flee.[1]