She publicly acknowledged Billie Jean King for leading the equal prize campaign .
Venus Williams won her fourth Wimbledon title , and the first equal prize in 123 years ( approximately $1.3 million ) , in July .
Venus Williams publicly acknowledged Billie Jean King for leading the equal prize campaign .
Venus Williams won her fourth Wimbledon title , and the first equal prize in 123 years ( approximately $1.3 million ) , in July .