Battle of Ravenna (729)
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This article is about the 729 battle; see Battle of Ravenna for other battles fought at this location.
The Battle of Ravenna in 729 was fought between the troops of Byzantine Emperor Leo III the Isaurian, and a force of Italians, raised by Pope Gregory II in defense of image worship, which Emperor Leo had outlawed. After a severe struggle, the Greeks were overcome and thousands were killed in flight to their ships. The waters of the Po River were so infected with blood, it is said, that for six years the inhabitants of Ravenna would not eat fish from the river.