Civil disturbances and religious persecutions were not the only causes of anxiety to the political leaders in the United Provinces during the crisis of 1618-19; foreign affairs were also assuming a menacing aspect. The year 1618 saw the opening in Germany of the Thirty Years' War. The acceptance of the Crown of Bohemia by Frederick, Elector Palatine, meant that the long-delayed struggle for supremacy between Catholics and Protestants was to be fought out; and it was a struggle which neither Spain nor the Netherlands could watch with indifference. Maurice was fully alive to the necessity of strengthening the defences of the eastern frontier; and subsidies were granted by the States-General to Frederick and also to some of the smaller German princes. This support would have been larger, but the unexpected refusal of James I to give aid to his son-in-law made the Dutch doubtful in their attitude. The States, though friendly, were unwilling to commit themselves. In the spring of 1620, however, by James' permission, the English regiments in the Dutch service under the command of Sir Horace Vere were sent to oppose Spinola's invasion of the Rhineland. Accompanied by a Dutch force under Frederick Henry, they reached the Palatinate, but it was too late. The fate of the King of Bohemia was soon to be decided elsewhere than in his hereditary dominions. Completely defeated at the battle of Prague, Frederick with his wife and family fled to Holland to seek the protection of their cousin, the Prince of Orange. They met with the most generous treatment at his hands, and they were for many years to make the Hague the home of their exile.
As the date at which the Twelve Years' Truce came to an end drew near, some efforts were made to avert war. There were advocates of peace in the United Provinces, especially in Gelderland and Overyssel, the two provinces most exposed to invasion.[pg.140]
The archdukes had no desire to re-open hostilities; and Pecquinius, the Chancellor of Brabant, was sent to the Hague to confer with Maurice, and was authorised to name certain conditions for the conclusion of a peace. These conditions proved, however, to be wholly unacceptable, and the early summer of 1621 saw Maurice and Spinola once more in the field at the head of rival armies. The operations were, however, dilatory and inconclusive. The stadholder now, and throughout his last campaigns, was no longer physically the same man as in the days when his skilful generalship had saved the Dutch republic from overthrow; he had lost the brilliant energy of youth. The deaths in the course of this same year, 1621, of both the Archduke Albert and Philip III of Spain, were also hindrances to the vigorous prosecution of the war. In 1622 there was much marching and counter-marching, and Maurice was successful in compelling Spinola to raise the siege of Bergen-op-Zoom, the last success he was destined to achieve. In the course of this year the prince's life was in serious danger. A plot was laid to assassinate him on his way to Ryswyck, the leading conspirator being William van Stoutenberg, the younger son of Oldenbarneveldt. Stoutenberg had, in 1619, been deprived of his posts and his property confiscated, and he wished to avenge his father's death and his own injuries. The plot was discovered, but Stoutenberg managed to escape and took service under the Archduchess Isabel. Unfortunately he had implicated his elder brother, Regnier, lord of Groeneveldt, in the scheme. Groeneveldt was seized and brought to the scaffold.
From this time nothing but misfortune dogged the steps of Maurice, whose health began to give way under the fatigues of campaigning. In 1623 a carefully planned expedition against Antwerp, which he confidently expected to succeed, was frustrated by a long continuance of stormy weather. Spinola in the following year laid siege to Breda. This strongly fortified town, an ancestral domain of the Princes of Orange, had a garrison of 7000 men. The Spanish commander rapidly advancing completely invested it. Maurice, who had been conducting operations on the eastern frontier, now hastened to Breda, and did his utmost by cutting off Spinola's own supplies to compel him to raise the blockade. All his efforts however failed, and after holding out for many months Breda surrendered. In the spring of 1625 the prince became so[pg.141] seriously ill that he asked the States-General to appoint his brother commander-in-chief in his stead. Feeling his end drawing near, Maurice's chief wish was to see Frederick Henry married before his death. Frederick Henry, like Maurice himself, had never shown any inclination for wedlock and there was no heir to the family. He had, however, been attracted by the Countess Amalia von Solms, a lady of the suite of Elizabeth of Bohemia. Under pressure from the dying man the preliminaries were speedily arranged, and the wedding was quietly celebrated on April 4. Though thus hastily concluded, the marriage proved to be in every way a thoroughly happy one. Amalia was throughout his life to be the wise adviser of her husband and to exercise no small influence in the conduct of public affairs. Maurice died on April 23, in the fifty-eighth year of his age. His forty years of continuous and strenuous service to the State had made him prematurely old; and there can be but little doubt that the terrible anxieties of the crisis of 1618-19 told upon him. Above all a feeling of remorse for his share in the tragedy of Oldenbarneveldt's death preyed upon his mind.
The new Prince of Orange succeeded to a difficult position, but he was endowed with all the qualities of a real leader of men. Forty-one years old and brought up from boyhood in camps under the eye of his brother, Frederick Henry was now to show that he was one of the most accomplished masters of the military art, and especially siege-craft, in an age of famous generals, for Bernard of Saxe-Weimar, Torstenson, Turenne, Charles Gustavus and the Great Elector were all trained in his school. He was, however, much more than an experienced and resourceful commander in the field. He inherited much of his father's wary and tactful statesmanship and skill in diplomacy. He was, moreover, deservedly popular. He was a Hollander born and bred, and his handsome face, chivalrous bearing, and conciliatory genial temper, won for him an influence, which for some years was to give him almost undisputed predominance in the State. To quote the words of a contemporary, Van der Capellen, "the prince in truth disposed of everything as he liked; everything gave way to his word."
The offices and dignities held by Maurice were at once conferred on Frederick Henry. He was elected Stadholder of Holland, Zeeland, Utrecht, Gelderland and Overyssel, and was appointed Captain-General and Admiral-General of the Union and head of the Council[pg.142] of State. During practically the whole of his life the prince spent a considerable part of the year in camp, but he was able all the time to keep in touch with home affairs, and to exercise a constant supervision and control of the foreign policy of the State by the help of his wife, and through the services of Francis van Aerssens. The Court of the Princess of Orange, graced as it was by the presence of the exiled King and Queen of Bohemia, was brilliant and sumptuous, and gave to the reality of power possessed by the stadholder more than a semblance of sovereign pomp. During her husband's absence she spared no pains to keep him well-acquainted with all the currents and under-currents of action and opinion at the Hague, and was not only able to give sound advice, but was quite ready, when necessity called, to meet intrigue with intrigue and render abortive any movements or schemes adverse to the prince's policy or authority. The obligations of Frederick Henry to Aerssens were even greater. The stadholder was at first suspicious of the man, whom he disliked for the leading part he had taken against Oldenbarneveldt. But he did not allow personal prejudice to prevent him from employing a diplomatist of Aerssens' experience and capacity, and, with acquaintance, he learned to regard him, not merely as a clever and wise councillor, but as a confidential friend.
The right conduct of foreign affairs was of peculiar importance at the moment, when Frederick Henry became stadholder, for a change of régime took place almost simultaneously both in France and England. In Paris Cardinal Richelieu had just laid firm hands upon the reins of power, and the timorous and feeble James I died in the autumn of 1625. Richelieu and Charles I were both hostile to Spain, and the republic had reason to hope for something more than friendly neutrality in the coming years of struggle with the united forces of the two Habsburg monarchies.
One of the chief difficulties which confronted the new stadholder was the religious question. The prince himself, as was well known, was inclined to Remonstrant opinions. He was, however, anxious not to stir up the smouldering embers of sectarian strife, and he made no effort to withdraw the placards against the Remonstrants, but confined himself to moderate in practice their severity. He recalled from exile Van der Myle, Oldenbarneveldt's son-in-law; made Nicholas van Reigersberg, De Groot's brother-in-law, a member of the council; and released Hoogerbeets from his captivity[pg.143] at Loevestein. When, however, De Groot himself, presuming on the stadholder's goodwill, ventured to return to Holland without permission, the prince refused to receive him and he was ordered to leave the country once more.
The year 1626 was marked by no events of military importance; both sides were in lack of funds and no offensive operations were undertaken. Much rejoicing, however, attended the birth of a son and heir to the Prince of Orange, May 27. The child received the name of William. Early in the following year Sir Dudley Carleton, as envoy-extraordinary of King Charles I, invested Frederick Henry at the Hague with the Order of the Garter. This high distinction was not, however, a mark of really friendlier relations between the two countries. The long-standing disputes as to fishing rights in the narrow seas and at Spitsbergen, and as to trading spheres in the East Indian Archipelago, remained unsettled; and in the unfortunate and ill-considered war, which broke out at this time between England and France, the sympathies of the States were with the latter. Already those close relations between the French and the Dutch, which for the next decade were to be one of the dominating factors in determining the final issue of the Thirty Years' War, were by the diplomatic efforts of Richelieu and of Aerssens being firmly established. France advanced to the States a large subsidy by the aid of which the stadholder was enabled to take the field at the head of a really fine army and to give to the world a brilliant display of his military abilities. Throughout his stadholderate the persistent aim which Frederick Henry held before himself was never aggression with a view to conquest, but the creation of a scientific frontier, covered by strong fortresses, within which the flat lands behind the defensive lines of the great rivers could feel reasonably secure against sudden attack. It was with this object that in 1629 he determined to lay siege to the town of Hertogenbosch. A force of 24,000 infantry and 4000 cavalry were gathered together for the enterprise. It was composed of many nationalities, like all the armies commanded by Maurice and Frederick Henry, but was admirably disciplined and devoted to its commander. Four English, three Scottish and four French regiments, all choice troops, raised by permission of their sovereigns for the service of the States, formed the backbone of the force. On April 30 the town was invested.[pg.144]
Hertogenbosch, or Bois-le-duc, was strongly fortified, and so surrounded by marshy ground, intersected by a number of small streams, that the only way of approach for a besieging force was a single causeway defended by the forts of St Isabella and St Anthony. The garrison consisted of 8000 men, and the governor, Grobendonc, was an experienced and resolute soldier.