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The original was posted on /r/todayilearned by /u/JosiahWillardPibbs on 2025-08-06 17:59:12+00:00.

Original Title: TIL that while serving as a troopship during World War I, the Olympic, the sister ship of the Titanic, rammed and sunk a U-boat that was trying to torpedo her. As the U-boat sank, the Olympic sailed on and did not pick up survivors.