On 25 July 1914, Laszlo Count Szogyeny, the Austro-Hungarian Ambassador to Germany (pictured), sent a coded private telegram to Leopold Count Berchtold, the Austro-Hungarian Minister of Foreign Affairs. In his telegram, Szogyeny informs Berchtold of Germany’s preference for immediate Austro-Hungarian action following the refusal of the terms of the ultimatum to Serbia.
Count Szogyeny to Count Berchtold. Berlin, 25 July 1914.
With regard to the concluding words in your Excellency’s telegram of yesterday (Count Mensdorff’s answer to Sir Edward Grey) I should like to remark that here, the general belief is, that if Servia gives an unsatisfactory answer, our declaration of war and war operations will follow immediately.
Here every delay in the beginning of war operations is regarded as signifying the danger that foreign powers might interfere. We are urgently advised to proceed without delay and to place the world before a fait accompli.
I am completely of the same mind as the German Ministry of Foreign Affairs.
Source: 1919 Austro-Hungarian Red Book, with minor edits.