Wladimir Klitschko world heavyweight champion) dominated heavyweight boxing, a period typically known as the "Klitschko Era" of the division. Klitschko was born in Semipalatinsk (now Semey), Kazakh SSR, Soviet Union (now Kazakhstan). His father, Vladimir Rodionovich Klichko (1947–2011), was a Soviet Air Force major general and a military attaché of Ukraine in Germany; he was also one of the commanders in charge of cleaning up the effects of the Chernobyl disaster in 1986 and was afterward diagnosed with cancer. Wladimir's mother is Nadezhda Ulyanovna. He is the younger brother of former WBC, WBO and Ring magazine heavyweight champion Vitali Klitschko, the current
Vitali Klitschko technical knockout. Negotiations for a 6 December rematch began. After negotiations collapsed, Vitali defeated Kirk Johnson in a WBC Eliminator bout on 6 December date, setting up a mandatory rematch with Lewis. In January 2004, the WBC announced that it would strip Lewis of the belt if he let pass a 15 March deadline to sign for a rematch with Vitali. Shortly thereafter, Lewis announced his retirement and vacated the title. For years after this fight, Klitschko would still occasionally call out Lewis, despite the fact that Lewis has been retired since early 2004, for a rematch. Around this time