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BATTLE // September 20, 1914

Battle of Zanzibar

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Overview

The Battle of Zanzibar was an encounter between the German Kaiserliche Marine and the British Royal Navy early in the First World War. While taking on coal in the delta of the Rufiji River in German East Africa, the German cruiser SMS Königsberg learned that a British cruiser, HMS Pegasus, which had been part of the Royal Navy's Cape Squadron sent to counter Königsberg, had put in at Zanzibar for repairs. Königsberg's captain, Commander Max Looff, decided to attack Pegasus while she was in port.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Battle of Zanzibar was an early First World War naval engagement in the Indian Ocean theater, pitting the German cruiser SMS Königsberg against the British cruiser HMS Pegasus. Königsberg had been operating in the waters off German East Africa, where the Royal Navy's Cape Squadron had been tasked with hunting her down. The action arose directly from that cat-and-mouse dynamic: learning that Pegasus had put into Zanzibar for repairs, Commander Max Looff seized the opportunity to strike a pursuing vessel while it was at a disadvantage in port. The engagement illustrated the disruptive potential of a single German surface raider in colonial waters and the difficulty the Royal Navy faced in protecting its own vessels across a vast operational area early in the war.

Tactics

Commander Max Looff chose to attack HMS Pegasus while the British cruiser was in port at Zanzibar undergoing repairs, exploiting the vessel's immobilized and vulnerable condition. Königsberg had been coaling in the delta of the Rufiji River in German East Africa when the intelligence about Pegasus reached Looff, who then moved to strike before the British ship could become operational again. Beyond this exploitation of a stationary target in a harbor setting, the overview does not detail the specific tactical dispositions, formations, or maneuvers employed during the engagement.

Commanders (1)

Germany

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Last verified June 2026
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