Action of 14 October 1918 | |||||||
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Part of World War I Atlantic U-boat Campaign | |||||||
Portuguese Navy ship NRP Augusto de Castilho | |||||||
| |||||||
Belligerents | |||||||
Portugal | German Empire | ||||||
Commanders and leaders | |||||||
Carvalho Araújo † | Lothar von Arnauld de la Perière | ||||||
Strength | |||||||
1 naval trawler 1 civilian steamer | 1 Submarine | ||||||
Casualties and losses | |||||||
Naval trawler sunk with 6 dead and several wounded | Submarine damaged, unknown human casualties |
The action of 14 October was a naval engagement of the First World War when the Imperial German Navy submarine SM U-139 attacked the Portuguese civilian steamer São Miguel and the Portuguese Navy naval trawler NRP Augusto de Castilho in the Atlantic Ocean on 14 October 1918.[1]