Note sull'episodio
How Serbia Weaponized Mud at Kolubara
Parole chiave
SerbianDecemberNovemberWorld WarAustroBelgradeAustriaBalkanSerbsBattle of SurPutnikEmperor Franz JosephKulubaraStepanovichPodiorekGreat WarHungary and the Kingdom of SerbiaHungary and SerbiaBattle of KolubaraArchduke Franz Ferdinand