488: sos Apr 9, 2016

A number of theories have come up around the meaning of the initialism, S.O.S.,such as "save our ship", "save our souls", or "send out succor". All of these are fairly unlikely given that the true origin is German, dating back to 1905. In truth, S.O.S. is not short for any phrase, but was used because it is easily transmitted in Morse code, as · · · – – – · · ·, and pretty easy to remember.