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The original was posted on /r/todayilearned by /u/derstherower on 2023-07-16 05:33:11.

Original Title: TIL that despite the popular belief that SOS stands for “Save Our Ship” or “Save Our Souls”, it actually doesn’t stand for anything. SOS was developed because it was an easy sequence of letters to remember in Morse Code (three dots, three dashes, three dots).