Date | Chief Events |
28 July 1914 | Murder of Arch Duke Franz Ferdinand, Austrian Emperor Francis Joseph launches a war on Serbia |
29 July 1914 | Russia mobilized her army to defend Serbia |
30 July 1914 | Germany's ultimatum to Russia to withdraw her army |
1 Aug 1914 | Germany declared war on Russia |
4 Aug 1914 | England declared war on Germany |
10 Aug 1914 | Austria- Hungary invaded Russia |
12 Aug 1914 | Japan joined Triple Entente |
20 Aug 1914 | First Battle of "Ypres" |
23 Aug 1914 | Italy joined Triple Entente and declared war on Austria |
15 Oct 1915 | England attacked Bulgaria |
22 Feb 1916 | Germany opened the battle of Verdun. |