 Complete the following phrase:  Ajax is historically one of the most successful clubs in the world; according to the IFFHS, Ajax were the seventh-most successful European club of the 20th century. The club is one of the five teams that has earned the right to keep the European Cup and to wear a multiple-winner badge; they won consecutively in 19711973. In 1972, they completed the continental treble by winning the Eredivisie, KNVB Cup, and the European Cup. Ajaxs last international trophies were the 1995 Intercontinental Cup and the 1995 Champions League, where they defeated Milan in the 