What year did SOS become the international distress signal?

Question: What year did SOS become the international distress signal?


When did SOS become recognized as an international distress signal you may ask?

First of all, you may have heard that SOS is an abbreviation for 'save our ship' or something similar. This is not correct. SOS is not an abbreviation for anything.

Anyway, Titanic used the SOS signal in 1912, six years after SOS become the international distress signal. Thus, SOS became the international distress signal in 1906.



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