But this move had come too late. The British Ambassador to Berlin reported by telegraph to his Government on July 27, 1914, that the Imperial German Government considered that the proposed conference amounted practically to a court of arbitration and could not be called except at the behest of Austria-Hungary and Russia. The German Government therefore turned down the British proposal. But Germany was not for provoking a war; the German Ambassador at London informed the British Foreign Office that his Government was willing to accept in principle the mediation of the powers between Austria and Russia.
The question of whether the alliances between the various nations would hold under a strain now became pointed. The Russian Government informed the British Government on July 27, 1914, that the impression prevailed in Berlin and Vienna that England would stand aloof under any circumstances, differences between Russia and Austria notwithstanding. But on the same day Sir Edward Grey, British Minister for Foreign Affairs, dispelled these impressions in a telegram to the British Ambassador at St. Petersburg. "The impression ought to be dispelled by the orders we have given to the First Fleet," it read in part, "which is concentrated, as it happens, at Portland, not to disperse for maneuver leave." On July 28, 1914, the British Government was informed that France and Russia were agreeable to having a conference called in London; the Italian Government had already reported that it agreed to this plan, but the refusal of Germany, mentioned above, rendered these communications useless.
On July 28, 1914, the British Government was informed by telegram from its Ambassador at Vienna that "Austria-Hungary cannot delay warlike proceedings against Serbia, and would have to decline any suggestions of negotiations on basis of Serbian reply.
"Prestige of Dual Monarchy was engaged, and nothing could now prevent conflict." This telegram, be it noted, made use of the term "military proceedings" instead of "military preparations" and therefore had the effect of changing Austria-Hungary's note to Serbia into an ultimatum. Russia, on July 28, 1914, began to mobilize troops near Odessa, Moscow, Kieff and Kazan, and on the following day this fact was communicated officially to the Government at Berlin.
As Austria-Hungary and Russia were about to come to grips Germany made it plain that she would stand by her ally, Austria-Hungary. In times of peace there may have been doubt throughout Europe as to the strength of the bonds of the Triple Entente, but the German Government was not disposed to rely on these doubts when the critical moment came. The British Ambassador at Berlin was asked to visit the German Chancellor and as a result of this visit the former sent the following telegram to the British Foreign Office:
"Berlin, July 29, 1914. I was asked to call upon the chancellor to-night. His excellency had just returned from Potsdam.
"He said that should Austria be attacked by Russia a European conflagration might, he feared, become inevitable, owing to Germany's obligations as Austria's ally, in spite of his continued efforts to maintain peace. He then proceeded to make the following strong bid for British neutrality. He said that it was clear, so far as he was able to judge the main principle which governed British policy, that Great Britain would never stand by and allow France to be crushed in any conflict there might be. That, however, was not the object at which Germany aimed. Provided that neutrality of Great Britain were certain, every assurance would be given to the British Government that the Imperial Government aimed at no territorial acquisitions at the expense of France should they prove victorious in any war that might ensue.
"I questioned his excellency about the French colonies, and he said that he was unable to give a similar undertaking in that respect. As regards Holland, however, his excellency said that, so long as Germany's adversaries respected the integrity and neutrality of the Netherlands, Germany was ready to give his Majesty's Government an assurance that she would do likewise. It depended upon the action of France what operations Germany might be forced to enter upon in Belgium, but when the war was over Belgian integrity would be respected if she had not sided against Germany.
"His excellency ended by saying that ever since he had been chancellor the object of his policy had been, as you were aware, to bring about an understanding with England; he trusted that these assurances might form the basis of that understanding which he so much desired. He had in mind a general neutrality agreement between England and Germany, though it was of course at the present moment too early to discuss details, and an assurance of British neutrality in the conflict which the present crisis might possibly produce would enable him to look forward to a realization of his desire.
"In reply to his excellency's inquiry how I thought his request would appeal to you, I said that I did not think it probable that at this stage of events you would care to bind yourself to any course of action and that I was of opinion that you would desire to retain full liberty."