History of tennis royal families of Europe were besieged and real tennis was largely abandoned. Real tennis played a minor role in the history of the French Revolution, through the Tennis Court Oath, a pledge signed by French deputies on a real tennis court, which formed a decisive early step in starting the revolution. In England, during the 18th and early 19th centuries as real tennis declined, three other racquet sports emerged: racquets, squash racquets, and lawn tennis (the modern game). The modern sport is tied to two separate inventions. Between 1859 and 1865, in Birmingham, England, Major Harry Gem, a solicitor, and
Royal Tennis Court, Hampton Court of a new tile floor, the remodelling of the galleries and repairs to the roof. At the same time, new nets, curtains and velvet cushions for the spectators' seats were provided. The interlaced initials above the net on the wall opposite the corridors are, however, not those of Charles but of William III and Mary II (1689–1702). Since the end of the 17th century the court has undergone little alteration. However, progress is not incompatible with history: in 1975 sodium halide lighting was installed. The Real Tennis World Championship has been played at the Royal Tennis Court on five occasions: