 Her efforts to spread women's wrestling internationally reached Japan and brought about the World Wide Women's Wrestling Association (WWWA).Mildred Burke introduced women's wrestling to several countries, including almost every state of the United States, Canada, Japan, Mexico and Cuba, where she retired from professional wrestling.All Japan Women's Pro-Wrestling (AJW) bought the legal rights of the WWWA World Championship from her and later created the WWWA World Tag Team Championship, in 1971 and the All Pacific Championship, in 1977.