All England Open Badminton Championships It was eventually considered – especially after the first Thomas Cup series in 1949 – the unofficial world championship of the sport until 1977, when the International Badminton Federation launched its official championships. There were two instances when it was halted – from 1915 to 1919 (due to World War I) and from 1940 to 1946 (due to World War II). The tournament has been held at eight venues, and is now played at Arena Birmingham, Birmingham. Below is the list of the most successful players in the All England Open Badminton Championships: In the modern era players are less
India at the 2011 Sudirman Cup times champion the Chinese team. Sudirman Cup World Mixed Team Badminton Championship is an international badminton tournament for mixed teams, consist of both male and female players. It held every two years and is named after Dick Sudirman, a former Indonesian badminton player and the founder of the Badminton Association of Indonesia. 2011 Sudirman Cup, officially known as Double Star 2011 Sudirman Cup BWF World Team Championships (for sponsorship reasons) was hosted by the Qingdao city of China. Qingdao was awarded the host right in 2009. Tournament was organised in the 12,500 sitting capacity Qingdao Sports Center Stadium. In Sudirman