erbia's Army cannot hold out much longer against the invasion of the Central Powers. Germany, Austria-Hungary and Bulgaria are relentlessly pushing forward through the Balkan country. The French are trying to help from the south but a river proves to be an obstacle they cannot overcome. In the Alps, the 4th Battle of the Isonzo starts one week after the 3rd had failed and in West Africa, the Battle of Banjo takes place as one of the last battles of the German colony Kamerun (Cameroon).