 Complete the following phrase:  At the age of 14, Thorpe became the youngest male ever to represent Australia, and his victory in the 400 metre freestyle at the 1998 Perth World Championships made him the youngest-ever individual male World Champion. After that victory, Thorpe dominated the 400 m freestyle, winning the event at every Olympic, World, Commonwealth and Pan Pacific Swimming Championships until his break after the 2004 Olympics in Athens. At the 2001 World Aquatics Championships, he became the first person to win six gold medals in one World Championship. Aside from 13 individual long-course world records, Thorpe anchored the Australian relay teams, numbering the victories in the 