Kapitänleutnant Lothar von Arnauld de la Perière - German and Austrian U-boats of World War One - Kaiserliche Marine - uboat.net
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The U-boat War in World War Two (Kriegsmarine, 1939-1945) and World War One (Kaiserliche Marine, 1914-1918) and the Allied efforts to counter the threat. Over 40.000 pages on the officers, the boats, technology and the Allied efforts to counter the U-boat threat.
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The original was posted on /r/todayilearned by /u/XyleneCobalt on 2025-07-16 20:33:30+00:00.

Original Title: TIL the most successful German u-boat commander—who sank 193 ships and 453,000 tons of material throughout WW1—was known to strictly follow prize law, giving civilian ships adequate time to evacuate on lifeboats and directions to the nearest port