| Conflict: | Battle of the Unstrut River |
| Battle Name: | Battle of the Unstrut River |
| Date: | c. 531 CE |
| Place: | near Unstrut, Germany |
| Result: | Decisive Frankish victory Fall of the Thuringii kingdom |
| Combatant1: | Frankish Kingdom |
| Combatant2: | Thuringii |
| Commander1: | Theuderic I |
| Commander2: | Hermanfrid |
| Strength1: | Unknown |
| Strength2: | Unknown |
| Casualties1: | Unknown |
| Casualties2: | Unknown |
The Battle of the Unstrut River is said to have been fought in 531 CE near the river Unstrut when the king of Francia, Theuderic I decisively defeated the Thuringii army led by their king Hermanfrid. Thuringia was subjugated in 530 CE, soon after the battle.[1]