Walmer Castle against Charles' brother, King James II, the townsfolk of Deal seized Walmer Castle on behalf of William III, the Prince of Orange. By the end of the century, however, the castle was increasingly regarded as out of date from a military perspective. In the 18th century, Walmer Castle became the official residence of the Lord Warden of the Cinque Ports. The Lord Warden was originally a medieval title linked to five key ports along the coast of England; the position's prominence had faded, but it still retained important judicial and military functions. When Lionel Sackville, the Duke of Dorset, was
Royal Cinque Ports Golf Club Open Championship in 1909 and 1920. Two more were scheduled for 1938 and 1949, but both were relocated when abnormally high tides inundated the course; both were held at nearby Royal St George's. Consequently, the club was removed from the Open Championship rota, but remains a final qualifying course (most recently in 2017). It has also continued to host various other tournaments including The Amateur Championship (1923, 1982, 2013) and, since 1925, it has hosted the Public Schools Championship every year. Karen Stupples, winner of the 2004 Weetabix Women's British Open, is a member of Royal Cinque Ports. Royal Cinque