Do u know that the Titanic was the first ship where use SOS signal ? Yeah, its historical truth. Actually SOS is a international Morse code distress signal & it was first adopted by the German government in radio regulations effective April 1, 1905. This signal was ratified as an international standard in 1908 & adopted as late as the April, 1912 sinking of the RMS Titanic & it is intermixed with CQD.

The sos signal was first used in the Titanic