When passenger ocean liners transformed into warships during the Great War

History · Published 8 October 2026 Swipe more like this →

In short: In September 1914, the outbreak of World War I forced a dramatic shift in maritime design. This video explores the first naval engagement between ocean liners off the coast of Brazil.

As the First World War approached, many ocean liners were engineered with the specific capability to be converted into auxiliary cruisers. This video examines the first instance of such vessels engaging in combat off the coast of Brazil in September 1914, marking a significant moment in naval history where passenger ships were repurposed for wartime service.

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