| Y/M/D | Description | Place |
|---|---|---|
| 1914/06/28 | Archduke Franz Ferdinand, the heir to the Austro-Hungarian throne, and his wife, Sophie, Duchess of Hohenberg, are assassinated by a Serbian-backed terrorist, Gavrilo Princip. | |
| 1914/07/28 | Austria-Hungary declares war on Serbia due to the Assassination of Archduke Franz Ferdinand. | |
| 1914/07/31 | A Lieutenant standing near the Frederick the Great statue reads the Kaiser's order to a crowd: The German Army and the Imperial Navy are to be made ready for war in accordance with the mobilization plans for the German Army and the Imperial Navy. | Unter den Linden, Berlin, Berlin |
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