The effect of this withdrawal was to convert a street insurrection into a national revolt. The moderates now united with the liberals, and a Provisional Government was formed, having amongst its members Rogier, Van de Weyer, Gendebien, Emmanuel D'Hoogvoort, Felix de Mérode and Louis de Potter, who a few days later returned triumphantly from banishment. The Provisional Government issued a series of decrees declaring Belgium independent, releasing the Belgian soldiers from their allegiance, and calling upon them to abandon the Dutch standard. They were obeyed. The revolt, which had been confined mainly to the Walloon districts, now spread rapidly over Flanders. Garrison after garrison surrendered; and the remnants of the disorganised Dutch forces retired upon Antwerp (October 2). Two days later the Provisional Government summoned a National Congress to be elected by all Belgian citizens of 25 years of age. The news of these events caused great perturbation at the Hague. The Prince of Orange, who had throughout advocated conciliation, was now permitted by his father to go to Antwerp (October 4) and endeavour to place himself at the head of the Belgian movement on the basis of a grant of administrative separation, but without severance of the dynastic bond with Holland.
King William meanwhile had already (October 2) appealed to the Great Powers, signatories of the Articles of London in 1814, to intervene and to restore order in the Belgic provinces. The difficulties of the prince at Antwerp were very great, for he was hampered throughout by his father's unwillingness to grant him full liberty of action. He issued a proclamation, but it was coldly received; and his attempts to negotiate with the Provisional Government at Brussels met with no success. Things had now gone too far, and any proposal to make Belgium connected with Holland by any ties, dynastic or otherwise, was unacceptable. The well-meaning prince returned disappointed to the Hague on October 24. A most unfortunate occurrence now took place. As General Chassé, the Dutch commander at Antwerp, was withdrawing his troops from the town to the citadel, attacks were made upon them by the mob, and some lives were lost. Chassé in reprisal (October 27) ordered the town to be bombarded from the citadel and the gunboats upon[pg.396] the river. This impolitic act increased throughout Belgium the feeling of hatred against the Dutch, and made the demand for absolute independence deeper and stronger.
The appeal of William to the signatory Powers had immediate effect; and representatives of Austria, Prussia, Russia and Great Britain, to whom a representative of France was now added, met at London on November 4. This course of action was far from what the king expected or wished. Their first step was to impose an armistice; their next to make it clear that their intervention would be confined to negotiating a settlement on the basis of separation. A Whig ministry in England had (November 16) taken the place of that of Wellington; and Lord Palmerston, the new Foreign Secretary, was well-disposed to Belgium and found himself able to work in accord with Talleyrand, the French plenipotentiary. Austria and Russia were too much occupied with their own internal difficulties to think of supporting the Dutch king by force of arms; and Prussia, despite the close family connection, did not venture to oppose the determination of the two western Powers to work for a peaceful settlement. While they were deliberating, the National Congress had met at Brussels, and important decisions had been taken. By overwhelming majorities (November 18) Belgium was declared to be an independent State; and four days later, after vigorous debates, the Congress (by 174 votes to 13) resolved that the new State should be a constitutional monarchy and (by 161 votes to 28) that the house of Orange-Nassau be for ever excluded from the throne. A committee was appointed to draw up a constitution.
William had appealed to the Powers to maintain the Treaties of Paris and Vienna and to support him in what he regarded, on the basis of those treaties, as his undoubted rights; and it was with indignation that he saw the Conference decline to admit his envoy, Falck, except as a witness and on precisely the same terms as the representatives of the Brussels Congress. On December 20 a protocol was issued by the Powers which defined their attitude. They accepted the principle of separation and independence, subject to arrangements being made for assuring European peace. The Conference, however, declared that such arrangements would not affect the rights of King William and of the German Confederation in the Grand Duchy of Luxemburg. This part of the protocol was as objectionable to the Belgians as the former part was to the[pg.397] Dutch king. The London Plenipotentiaries had in fact no choice, for they were bound by the unfortunate clauses of the treaties of 1815, which, to gratify Prussian ambition for cis-Rhenan territory, converted this ancient Belgian province into a German state. This ill-advised step was now to be the chief obstacle to a settlement in 1831. The mere fact that William had throughout the period of union always treated Luxemburg as an integral part of the southern portion of his kingdom made its threatened severance from the Belgic provinces a burning question. For Luxemburgers had taken a considerable part in the revolt, and Luxemburg representatives sat in the National Congress. Of these eleven voted for the perpetual exclusion of the Orange-Nassau dynasty, one only in its favour. It is not surprising, therefore, that a strong protest was made against the decision of the London Conference to treat the status of Luxemburg as outside the subject of their deliberations. The Conference, however, unmoved by this protest, proceeded in a protocol of January 20,1831, to define the conditions of separation. Holland was to retain her old boundaries of the year 1790, and Belgium to have the remainder of the territory assigned to the kingdom of the Netherlands in 1815. Luxemburg was again excluded. The Five Powers, moreover, declared that within these limits the new Belgian State was to be perpetually neutral, its integrity and inviolability being guaranteed by all and each of the Powers. A second protocol (January 27) fixed the proportion of the national debt to be borne by Belgium at sixteen parts out of thirty-one. The sovereign of Belgium was required to give his assent to these protocols, as a condition to being recognised by the Powers. But the Congress of Brussels was in no submissive mood. They had already (January 19) resolved to proceed to the election of a king without consulting anyone. The territorial boundaries assigned to Belgium met with almost unanimous reprobation, a claim being made to the incorporation not merely of Luxemburg, but also of Maestrieht, Limburg and Dutch Flanders, in the new State. Nor were they more contented with the proportion of the debt Belgium was asked to bear. On February 1 the Five Powers had agreed that they would not assent to a member of any of the reigning dynasties being elected to the throne of Belgium. Nevertheless (February 3) the Duc de Nemours, son of Louis Philippe, was elected by 94 votes, as against 67 recorded for the Duke of[pg.398] Leuchtenberg, son of Eugène Beauharnais. The Conference took immediate action by refusing to permit either Nemours or Leuchtenberg to accept the proffered crown.
These acute differences between the Conference and the Belgian Congress were a cause of much satisfaction to the Dutch king, who was closely watching the course of events; and he thought it good policy (February 18) to signify his assent to the conditions set forth in the protocols of January 20 and 27. He had still some hopes of the candidature of the Prince of Orange (who was in London) being supported by the Powers, but for this the time was past.
At this juncture the name of Leopold of Saxe-Coburg, who had resided in England since the death of his wife the Princess Charlotte, was put forward. This candidature was supported by Great Britain; France raised no objection; and in Belgium it met with official support. Early in April a deputation of five commissioners was sent to offer the crown provisionally to the prince, subject to his endeavouring to obtain some modification of the protocols of January 20 and 27. The Five Powers, however, in a protocol, dated April 15, announced to the Belgian Government that the conditions of separation as laid down in the January protocols were final and irrevocable, and, if not accepted, relations would be broken off. Leopold was not discouraged, however; and such was his influence that he did succeed in obtaining from the Conference an undertaking that they would enter into negotiations with King William in regard both to the territorial and financial disputes with a view to a settlement, moyennant de justes compensations.
The Saxe-Coburg prince was elected king by the Congress (June 4); and in redemption of their undertaking the Conference promulgated (June 26) the preliminary treaty, generally known as the Treaty of the XVIII Articles. By this treaty the question of Luxemburg was reserved for a separate negotiation, the status quo being meanwhile maintained. Other boundary disputes (Maestricht, Limburg and various enclaves) were to be amicably arranged, and the share of Belgium in the public debt was reduced. Leopold had made his acceptance of the crown depend upon the assent of the Congress being given to the Treaty. This assent was given, but in the face of strong opposition (July 9); and the new king made his public entry into Brussels and took the oath to the Constitution twelve days later. On the same day (July 21) the Dutch king refused to[pg.399] accept the XVIII Articles, declaring that he adhered to the protocols of January 20 and 27, which the plenipotentiaries had themselves declared (April 15) to be fundamental and irrevocable. Nor did he confine himself to a refusal. He declared that if any prince should accept the sovereignty of Belgium or take possession of it without having assented to the protocols as the basis of separation he could only regard such prince as his enemy. He followed this up (August 2) by a despatch addressed to the Foreign Ministers of the Five Powers, announcing his intention "to throw his army into the balance with a view to obtaining more equitable terms of separation."
These were no empty words. The facile success of the Belgian revolution had led to the Dutch army being branded as a set of cowards. The king, therefore, despite a solemn warning from the Conference, was determined to show the world that Holland was perfectly able to assert her rights by armed force if she chose to do so. In this course he had the whole-hearted support of his people. It was a bold act politically justified by events. Unexpectedly, on August 2, the Prince of Orange at the head of an army of 30,000 picked men with 72 guns crossed the frontier. The Belgians were quite taken by surprise. Their army, though not perhaps inferior in numbers to the invaders, was badly organised, and was divided into two parts—the army of the Scheldt and the army of the Meuse. The prince knew that he must act with promptness and decision, and he thrust his army by rapid movements between the two Belgian corps. That of the Meuse fell back in great disorder upon Liège; that of the Scheldt was also forced to beat a rapid retreat. Leopold, whose reign was not yet a fortnight old, joined the western corps and did all that man could do to organise and stiffen resistance. At Louvain (August 12) he made a last effort to save the capital and repeatedly exposed his life, but the Belgians were completely routed and Brussels lay at the victor's mercy. It was a terrible humiliation for the new Belgian state. But the prince had accomplished his task and did not advance beyond Louvain. On hearing that a French army, at the invitation of King Leopold, had entered Belgium with the sanction of the Powers, he concluded an armistice, by the mediation of the British Minister, Sir Robert Adair, and undertook to evacuate Belgian territory. His army recrossed the Dutch frontier (August 20), and the French thereupon withdrew.
The Ten Days' Campaign had effected its purpose; and, when the[pg.400] Conference met to consider the new situation, it was felt that the XVIII Articles must be revised. Belgium, saved only from conquest by French intervention, had to pay the penalty of defeat. A new treaty in XXIV Articles was drawn up, and was (October 14) again declared to be final and irrevocable. By this treaty the northwestern (Walloon) portion of Luxemburg was assigned to Belgium, but at the cost of ceding to Holland a considerable piece of Belgian Limburg giving the Dutch the command of both banks of the river Meuse from Maestricht to the Gelderland frontier. The proportion of the debt was likewise altered in favour of Holland. King William was informed that he must obtain the assent of the Germanic Confederation and of the Nassau agnates to the territorial adjustments.
These conditions created profound dissatisfaction both in Belgium and Holland. It was again the unhappy Luxemburg question which caused so much heart-burning. The Conference however felt itself bound by the territorial arrangements of the Congress of Vienna; and Palmerston and Talleyrand, acting in concert throughout, could not on this matter overrule the opposition of Prussia and Austria supported by Russia. All they could do was to secure the compromise by which Walloon Luxemburg was given to Belgium in exchange for territorial compensation in Limburg. Belgian feeling was strong against surrendering any part either of Luxemburg or Limburg; but King Leopold saw that surrender was inevitable and by a threat of abdication he managed to secure, though against vehement opposition, the acceptance of the Treaty of the XXIV Articles by the Belgian Chambers (November 1). The treaty was signed at London by the plenipotentiaries of the Five Great Powers and by the Belgian envoy, Van de Weyer, on November 15, 1831; and Belgium was solemnly recognised as an independent State, whose perpetual neutrality and inviolability was guaranteed by each of the signatories severally[[13]].