On 31st July 1914, Jean Jaurès, founder and director of the newspaper L'Humanité,took his ournalists to a café for dinner. He pushed open the door of a restaurant on the corner of rue du Croissant and rue Montmartre. The Café du Croissant was crowded but the owner found them a table near the window overlooking the street: Jaurès was a regular and the furniture could be pushed aside for him...