Fourth invasion of Serbia (7 oct 1915 año – 9 oct 1915 año)

Descripción:

The Austro-Hungarians and Germans began their attack on 7 October with their troops crossing the Drina and Sava rivers, covered by heavy artillery fire. Once they crossed the Danube, the Germans and Austro-Hungarians moved on Belgrade itself. Vicious street fighting ensued,[36] and the Serbs' resistance in the city was finally crushed on 9 October.

Añadido al timeline:

fecha: