You'll be surprised to know the shocking meanings behind these 9 well-known symbols

If you have ever wondered where the question mark originally came from, or how Apple came up with its iconic logo, then you have come to the right place. 

Symbolism is something that has been around for much longer than any of us can even begin to imagine.

Many of the symbols we know and love today have roots in ancient Greece and Rome, and have evolved over time into the things we now recognise and use in our daily lives.

Diply has compiled these nine well-known symbols with interesting and rather shocking origins. 

Check out the gallery above to find out and be mind-blown, literally.