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
World Judo Championships World Judo Championships The World Judo Championships are the highest level of international judo competition, along with the Olympic judo competition. The championships are held once every year (except the years when the Olympics take place) by the International Judo Federation, and qualified judoka compete in their respective categories as representatives of their home countries. Team competitions have also been held since 1994. The men's championships began in 1956, though the format and periodicity of the championships have changed over time. The last edition of the championships took place in Budapest, Hungary in 2017. The first edition of the world