Although a standard hamburger cost the price of ten loaves of bread, some news outlets estimated that 30,000 people passed through the doors on the first day.

Alexis St. Martin, who had been shot in the stomach, was first treated by US Army surgeon William Beaumont who became known as the ‘Father of Gastric Physiology’.

Lieutenant-Colonel John McCrae, a Canadian doctor, wrote the war poem ‘In Flanders Fields’, which inspired the symbol of the poppy to commemorate members of the military killed in war.