2015 Wimbledon Championships achieved her second non-calendar year Grand Slam after winning the 2014 US Open, 2015 Australian Open and 2015 French Open. With this win, Williams also became the oldest woman to win a Grand Slam singles title in the Open Era at 33 years and 289 days old by 26 days, beating Martina Navratilova, who won the 1990 Wimbledon Championships at 33 years and 263 days old. The 2015 Wimbledon Championships was the 129th edition of the tournament and was held at All England Lawn Tennis and Croquet Club in London. The tournament was an event run by the International Tennis
1966 Wimbledon Championships – Women's Singles 1966 Wimbledon Championships – Women's Singles Margaret Smith was the defending champion, but lost in the semifinals to Billie Jean King. King defeated Maria Bueno in the final, 6–3, 3–6, 6–1 to win the Ladies' Singles tennis title at the 1966 Wimbledon Championships. The second round match in which Gail Sherriff beat her sister Carol was the second match between sisters in the ladies' singles draw at Wimbledon, the first being in the 1884 Wimbledon Championships when Maud Watson beat Lillian. The next Wimbledon match between sisters in the singles draw was in 2000 between Serena and Venus Williams. Margaret