French President François Hollande (C) gestures as he looks at a crowd next to Queen Mathilde of Belgium (L) and her husband King Philippe (R) from the city hall's balcony on August 4, 2014 in Liege, Belgium, during commemorations marking 100 years since the invasion of Belgium by Germany at the start of World War I. World leaders on August 4 commemorated the 100th anniversary of the outbreak of World War I, a small Balkans conflict that went global with the German invasion of neutral Belgium in August 1914. AFP PHOTO / FRED DUFOUR        (Photo credit should read FRED DUFOUR/AFP/Getty Images)