This infographic created by Millitec looks at the evolution of the humble sandwich and documents just how much it has in its history.

From the first sandwich created in 1718 by the Earl of, you guessed it, Sandwich - to the sliced bread revolution of the 1920s that changed the sandwich industry forever.

The infographic lists some of the most significant developments in the evolution of the sandwich before finishing with some examples of different sandwich styles form around the world.

Take a look.