Nevertheless, William secretly induced the States General to send Charles the "Insinuation", a plea beseeching the king to prevent any Catholics from succeeding him, without explicitly naming James. After receiving indignant reactions from Charles and James, William denied any involvement. In 1685, when James II succeeded Charles, William at first attempted a conciliatory approach, at the same time trying not to offend the Protestants in England. William, ever looking for ways to diminish the power of France, hoped that James would join the League of Augsburg, but by 1687 it became clear that James would not join the anti-French alliance. Relations worsened between William and James thereafter. In November, James's second wife, Mary of Modena, was announced to be pregnant. That month, to gain the favour of English Protestants, William wrote an open letter to the English people in which he disapproved of James's pro-Roman Catholic policy of religious toleration. Seeing him as a friend, and often having maintained secret contacts with him for years, many English politicians began to urge an armed invasion of England. Glorious Revolution Invasion of England William at first opposed the prospect of invasion, but most historians now agree that he began to assemble an expeditionary force in April 1688, as it became increasingly clear that France would remain occupied by campaigns in Germany and Italy, and thus unable to mount an attack while William's troops would be occupied in Britain. Believing that the English people would not react well to a foreign invader, he demanded in a letter to Rear-Admiral Arthur Herbert that the most eminent English Protestants first invite him to invade. In June, Mary of Modena, after a string of miscarriages, gave birth to a son, James Francis Edward Stuart, who displaced William's Protestant wife to become first in the line of succession and raised the prospect of an ongoing Catholic monarchy. Public anger also increased because of the trial of seven bishops who had publicly opposed James's Declaration of Indulgence granting religious liberty to his subjects, a policy which appeared to threaten the establishment of the Anglican Church. On 30 June 1688—the same day the bishops were acquitted—a group of political figures, known afterward as the "Immortal Seven", sent William a formal invitation. William's intentions to invade were public knowledge by September 1688. With a Dutch army, William landed at Brixham in southwest England on 5 November 1688. He came ashore