Many believe SOS has a specific meaning, but you'd be surprised to know that the letters aren't an acronym at all. That said, what does SOS actually stand for?

The use of SOS soon became universal, and the standard signal ruled the high seas until early 1999. Then, in an agreement engineered by the United Nations, Morse Code itself was officially retired ...

Morse code is a communication system developed ... A well-known example is the international distress signal, SOS – three dots, three dashes, three dots. The code was initially transmitted ...