On October 13 Greece, Bulgaria, and Serbia replied that the offer of outside assistance and advice had come too late, and that they had decided themselves to redress the intolerable and secular wrongs of their long-suffering compatriots in Macedonia by force of arms. To their dismay a treaty of peace was signed at Lausanne about the same time between Turkey and Italy, which power, it had been hoped, would have distracted Turkey’s attention by a continuance of hostilities in northern Africa, and at any rate immobilized the Turkish fleet. Encouraged by this success Turkey boldly declared war on Bulgaria and Serbia on October 17, hoping to frighten Greece and detach it from the league; but on the 18th the Greek Government replied by declaring war on Turkey, thus completing the necessary formalities. The Turks were confident of an early and easy victory, and hoped to reach Sofia, not from Constantinople and Thrace, but pushing up north-eastwards from Macedonia. The rapid offensive of the Serbian army, however, took them by surprise, and they were completely overwhelmed at the battle of Kumanovo in northern Macedonia on October 23-4, 1912. On the 31st King Peter made his triumphal entry into Skoplje (ex-Üsküb), the ancient capital of Serbia under Tsar Stephen Dušan in the fourteenth century. From there the Serbian army pursued the Turks southward, and at the battles of Prilep (November 5) and Monastir (November 19), after encountering the most stubborn opposition, finally put an end to their resistance in this part of the theatre of war. On November 9 the Greeks entered Salonika.
Meanwhile other divisions of the Serbian army had joined hands with the Montenegrins, and occupied almost without opposition the long-coveted sandjak of Novi-Pazar (the ancient Serb Raška), to the inexpressible rage of Austria-Hungary, which had evacuated it in 1908 in favour of its rightful owner, Turkey. At the same time a Serbian expeditionary corps marched right through Albania, braving great hardships on the way, and on November 30 occupied Durazzo, thus securing at last a foothold on the Adriatic. Besides all this, Serbia, in fulfilment of its treaty obligations, dispatched 50,000 splendidly equipped men, together with a quantity of heavy siege artillery, to help the Bulgarians at the siege of Adrianople. On December 3 an armistice was signed between the belligerents, with the condition that the three besieged Turkish fortresses of Adrianople, Scutari, and Yanina must not be re-victualled, and on December 16, 1912, peace negotiations were opened between representatives of the belligerent countries in London. Meanwhile the Germanic powers, dismayed by the unexpected victories of the Balkan armies and humiliated by the crushing defeats in the field of the German-trained Turkish army, had since the beginning of November been doing everything in their power to support their client Turkey and prevent its final extinction and at the same time the blighting of their ambitions eventually to acquire the Empire of the Near East. During the conference in London between the plenipotentiaries of the belligerents, parallel meetings took place between the representatives of the great powers, whose relations with each other were strained and difficult in the extreme. The Turkish envoys prolonged the negotiations, as was their custom; they naturally were unwilling to concede their European provinces to the despised and hated Greek and Slavonic conquerors, but the delays implied growing hardships for their besieged and starving garrisons in Thrace, Epirus, and Albania. On January 23, 1913, a quasi-revolution occurred in the Turkish army, headed by Enver Bey and other Young Turk partisans, and approved by the Austrian and German embassies, with the object of interrupting the negotiations and staking all on the result of a final battle. As a result of these events, and of the palpable disingenuousness of the Turks in continuing the negotiations in London, the Balkan delegates on January 29 broke them off, and on February 3, 1913, hostilities were resumed. At length, after a siege of nearly five months, Adrianople, supplied with infinitely better artillery than the allies possessed, was taken by the combined Serbian and Bulgarian forces on March 26, 1913. The Serbian troops at Adrianople captured 17,010 Turkish prisoners, 190 guns, and the Turkish commander himself, Shukri Pasha.
At the outbreak of the war in the autumn of 1912 the Balkan States had observed all the conventions, disavowing designs of territorial aggrandizement and proclaiming their resolve merely to obtain guarantees for the better treatment of the Christian inhabitants of Macedonia; the powers, for their part, duly admonished the naughty children of south-eastern Europe to the effect that no alteration of the territorial status quo ante would under any circumstances be tolerated. During the negotiations in London, interrupted in January, and resumed in the spring of 1913 after the fall of Adrianople, it was soon made clear that in spite of all these magniloquent declarations nothing would be as it had been before. Throughout the winter Austria-Hungary had been mobilizing troops and massing them along the frontiers of Serbia and Montenegro, any increase in the size of which countries meant a crushing blow to the designs of the Germanic powers and the end to all the dreams embodied in the phrase ‘Drang nach Osten’ (‘pushing eastwards’).
In the spring of 1913 Serbia and Montenegro, instead of being defeated by the brave Turks, as had been confidently predicted in Vienna and Berlin would be the case, found themselves in possession of the sandjak of Novi-Pazar, of northern and central Macedonia (including Old Serbia), and of the northern half of Albania. The presence of Serbian troops on the shore of the Adriatic was more than Austria could stand, and at the renewed conference of London it was decided that they must retire. In the interests of nationality, in which the Balkan States themselves undertook the war, it was desirable that at any rate an attempt should be made to create an independent state of Albania, though no one who knew the local conditions felt confident as to its ultimate career. Its creation assuaged the consciences of the Liberal Government in Great Britain and at the same time admirably suited the strategic plans of Austria-Hungary. It left that country a loophole for future diplomatic efforts to disturb the peace of south-eastern Europe, and, with its own army in Bosnia and its political agents and irregular troops in Albania, Serbia and Montenegro, even though enlarged as it was generally recognized they must be, would be held in a vice and could be threatened and bullied from the south now as well as from the north whenever it was in the interests of Vienna and Budapest to apply the screw. The independence of Albania was declared at the conference of London on May 30, 1913. Scutari was included in it as being a purely Albanian town, and King Nicholas and his army, after enjoying its coveted flesh-pots for a few halcyon weeks, had, to their mortification, to retire to the barren fastnesses of the Black Mountain. Serbia, frustrated by Austria in its attempts, generally recognized as legitimate, to obtain even a commercial outlet on the Adriatic, naturally again diverted its aims southwards to Salonika. The Greeks were already in possession of this important city and seaport, as well as of the whole of southern Macedonia. The Serbs were in possession of central and northern Macedonia, including Monastir and Okhrida, which they had at great sacrifices conquered from the Turks. It had been agreed that Bulgaria, as its share of the spoils, should have all central Macedonia, with Monastir and Okhrida, although on ethnical grounds the Bulgarians have only very slightly better claim to the country and towns west of the Vardar than any of the other Balkan nationalities. But at the time that the agreement had been concluded it had been calculated in Greece and Serbia that Albania, far from being made independent, would be divided between them, and that Serbia, assured of a strip of coast on the Adriatic, would have no interest in the control of the river Vardar and of the railway which follows its course connecting the interior of Serbia with the port of Salonika. Greece and Serbia had no ground whatever for quarrel and no cause for mutual distrust, and they were determined, for political and commercial reasons, to have a considerable extent of frontier from west to east in common. The creation of an independent Albania completely altered the situation. If Bulgaria should obtain central Macedonia and thus secure a frontier from north to south in common with the newly-formed state of Albania, then Greece would be at the mercy of its hereditary enemies the Bulgars and Arnauts (Albanians) as it had previously been at the mercy of the Turks, while Serbia would have two frontiers between itself and the sea instead of one, as before, and its complete economic strangulation would be rendered inevitable and rapid. Bulgaria for its own part naturally refused to waive its claim to central Macedonia, well knowing that the master of the Vardar valley is master of the Balkan peninsula. The first repercussion of the ephemeral treaty of London of May 30, 1913, which created Albania and shut out Serbia from the Adriatic, was, therefore, as the diplomacy of the Germanic powers had all along intended it should be, the beginning of a feud between Greece and Serbia on the one hand, and Bulgaria on the other, the disruption of the Balkan League and the salvation, for the ultimate benefit of Germany, of what was left of Turkey in Europe.
The dispute as to the exact division of the conquered territory in Macedonia between Serbia and Bulgaria had, as arranged, been referred to arbitration, and, the Tsar of Russia having been chosen as judge, the matter was being threshed out in St. Petersburg during June 1913. Meanwhile Bulgaria, determined to make good its claim to the chestnuts which Greece and Serbia had pulled out of the Turkish fire, was secretly collecting troops along its temporary south-western frontier[1] with the object, in approved Germanic fashion, of suddenly invading and occupying all Macedonia, and, by the presentation of an irrevocable fait accompli, of relieving the arbitrator of his invidious duties or at any rate assisting him in the task.
[Footnote 1: This was formed by the stream Zletovska, a tributary of the river Bregalnica, which in its turn falls into the Vardar on its left or eastern bank about 40 miles south of Skoplje (Üsküb).]
On the other hand, the relations between Bulgaria and its two allies had been noticeably growing worse ever since January 1913; Bulgaria felt aggrieved that, in spite of its great sacrifices, it had not been able to occupy so much territory as Greece and Serbia, and the fact that Adrianople was taken with Serbian help did not improve the feeling between the two Slav nations. The growth of Bulgarian animosity put Greece and Serbia on their guard, and, well knowing the direction which an eventual attack would take, these two countries on June 2, 1913, signed a military convention and made all the necessary dispositions for resisting any aggression on Bulgaria’s part. At one o’clock in the morning of June 30 the Bulgarians, without provocation, without declaration of war, and without warning, crossed the Bregalnica (a tributary of the Vardar) and attacked the Serbs. A most violent battle ensued which lasted for several days; at some points the Bulgarians, thanks to the suddenness of their offensive, were temporarily successful, but gradually the Serbs regained the upper hand and by July 1 the Bulgarians were beaten. The losses were very heavy on both sides, but the final issue was a complete triumph for the Serbian army. Slivnitsa was avenged by the battle of the Bregalnica, just as Kosovo was by that of Kumanovo. After a triumphant campaign of one month, in which the Serbs were joined by the Greeks, Bulgaria had to bow to the inevitable. The Rumanian army had invaded northern Bulgaria, bent on maintaining the Balkan equilibrium and on securing compensation for having observed neutrality during the war of 1912-13, and famine reigned at Sofia. A conference was arranged at Bucarest, and the treaty of that name was signed there on August 10, 1913. By the terms of this treaty Serbia retained the whole of northern and central Macedonia, including Monastir and Okhrida, and the famous sandjak of Novi-Pazar was divided between Serbia and Montenegro. Some districts of east-central Macedonia, which were genuinely Bulgarian, were included in Serbian territory, as Serbia naturally did not wish, after the disquieting and costly experience of June and July 1913, to give the Bulgarians another chance of separating Greek from Serbian territory by a fresh surprise attack, and the further the Bulgarians could be kept from the Vardar river and railway the less likelihood there was of this. The state of feeling in the Germanic capitals and in Budapest after this ignominious defeat of their protégé Bulgaria and after this fresh triumph of the despised and hated Serbians can be imagined. Bitterly disappointed first at seeing the Turks vanquished by the Balkan League—their greatest admirers could not even claim that the Turks had had any ‘moral’ victories—their chagrin, when they saw the Bulgarians trounced by the Serbians, knew no bounds. That the secretly prepared attack on Serbia by Bulgaria was planned in Vienna and Budapest there is no doubt. That Bulgaria was justified in feeling disappointment and resentment at the result of the first Balkan War no one denies, but the method chosen to redress its wrongs could only have been suggested by the Germanic school of diplomacy.
In Serbia and Montenegro the result of the two successive Balkan Wars, though these had exhausted the material resources of the two countries, was a justifiable return of national self-confidence and rejoicing such as the people, humiliated and impoverished as it had habitually been by its internal and external troubles, had not known for very many years. At last Serbia and Montenegro had joined hands. At last Old Serbia was restored to the free kingdom. At last Skoplje, the mediaeval capital of Tsar Stephen Dušan, was again in Serbian territory. At last one of the most important portions of unredeemed Serbia had been reclaimed. Amongst the Serbs and Croats of Bosnia, Hercegovina, Dalmatia, Croatia, Slavonia, and southern Hungary the effect of the Serbian victories was electrifying. Military prowess had been the one quality with which they, and indeed everybody else, had refused to credit the Serbians of the kingdom, and the triumphs of the valiant Serbian peasant soldiers immediately imparted a heroic glow to the country whose very name, at any rate in central Europe, had become a byword, and a synonym for failure; Belgrade became the cynosure and the rallying-centre of the whole Serbo-Croatian race. But Vienna and Budapest could only lose courage and presence of mind for the moment, and the undeniable success of the Serbian arms merely sharpened their appetite for revenge. In August 1913 Austria-Hungary, as is now known, secretly prepared an aggression on Serbia, but was restrained, partly by the refusal of Italy to grant its approval of such action, partly because the preparations of Germany at that time were not complete. The fortunate Albanian question provided, for the time being, a more convenient rod with which to beat Serbia. Some Serbian troops had remained in possession of certain frontier towns and districts which were included in the territory of the infant state of Albania pending the final settlement of the frontiers by a commission. On October 18, 1913, Austria addressed an ultimatum to Serbia to evacuate these, as its continued occupation of them caused offence and disquiet to the Dual Monarchy. Serbia meekly obeyed. Thus passed away the last rumble of the storms which had filled the years 1912-13 in south-eastern Europe.
The credulous believed that the Treaty of Bucarest had at last brought peace to that distracted part of the world. Those who knew their central Europe realized that Berlin had only forced Vienna to acquiesce in the Treaty of Bucarest because the time had not yet come. But come what might, Serbia and Montenegro, by having linked up their territory and by forming a mountain barrier from the Danube to the Adriatic, made it far more difficult for the invader to push his way through to the East than it would have been before the battles of Kumanovo and Bregalnica.