François Hollande Joachim Gauck the centenary of Germany's declaration of war on France Hartmannswillerkopf France Germany
On 3 August 2014, French President François Hollande and German President Joachim Gauck together marked the centenary of Germany's declaration of war on France by laying the first stone of a memorial in Vieil Armand, known in German as Hartmannswillerkopf, for French and German soldiers killed in the war.