5 h 16 min, 23 juill. 1914 ans - Austria-Hungary delivers ultimatum to Serbia
Description:
- 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
Ajouté au bande de temps:
Date:
5 h 16 min, 23 juill. 1914 ans
Maintenaint
~ Il y a 111 ans