Wladimir Klitschko reached a career peak in the 21st century.
The 21st century is the current century of the Anno Domini era , in accordance with the Gregorian calendar . It began on January 1 , 2001 and will end on December 31 , 2100 . Wladimir Klitschko . On 15 November 2014 , he reached a career peak of number two on The Rings pound for pound list .