5 ч 16 мин, 23 июл 1914 г. - Austria-Hungary delivers ultimatum to Serbia
Описание:
- Austria-Hungary, backed by their ally,Germany, delivered an ultimatum to Serbia
- although Serbia offered to submit to
arbitration, they began to mobilize their army
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Дата:
5 ч 16 мин, 23 июл 1914 г.
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~ 111 г назад