1915, air raid, Alexandroupoli, Argonne, Austria-Hungary, Bagatelle, Bulgaria, communications, Dedeagatch, France, Germany, Greece, Isonzo, Italy, Latvia, Maritsa, Monfalcone, Munster, Ottoman Empire, railway, Riga, Russia, Second Battle of the Isonzo, Slovenia, Tolmino, Trieste, Turkey
German advance towards Riga progressing. French progress near Bagatelle; French offensive towards Münster continues. Italian advance on the Isonzo front from Tolmino to Monfalcone; Italian airmen raid the Trieste railway. Convention signed ceding to Bulgaria the Turkish portion of the Dedeagatch railway with the territory between the River Maritza and the frontier.