Austro-Hungarian riverboats shelling Belgrade, the capital of Serbia, from the Danube River, part of the border between Austria-Hungary and Serbia. Austria-Hungary declared war on Serbia on July 28, 1914, and bombarded Belgrade the next day. Illustration by Fr. Jung (Franz Jung-Ilsenheim).
Reverse:
Ostmark, Bund deutscher Österreicher
Hauptleitung: Linz a. d. Donau
Eastern Provinces (Prussian) German-Austrian Confederation
Head Office: Linz an der Donau
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