By Ling Hui, QMI Agency The sandwich - or at least, its name - was born in 1762 when John Montagu, the fourth Earl of Sandwich, is said to have asked servants for cuts of beef between slices of bread so that he could eat while continuing to play cards. With 2012 marking the 250th anniversary of the handy meal, we take a look at some of the world's most popular sandwiches. (Shutterstock)