when the director of the circus invited people from the public to compete and check their physical power with the star Jeff Lawrence "The Cyclope". Kolov accepted the challenge and he succeeded in overpowering the 233 pound wrestler. He won against many famous wrestlers from that time such as Jeff Lawrence, Stanislaus Zbyszko, Jack Shirey (also called "The Lightning Man"), Rudy Dusek, Jo Stecker, Ed "Strangler" Lewis and Jim Browning. Wins Kolov had over 170 fights. His wins include: 2 times Diamond Belt World Heavyweight Champion (1927, 1933) 3 times European Heavyweight Champion (1934, 1937, 1937/1938) 1 time tournament winner in Japan (1924) 1 time tournament winner in Brazil (1927) multiple winner of tournaments in the United States (1914/1927) Losses Kolov has 0 registered losses in official matches. Return to Bulgaria After 30 years in a foreign country, he came back to Bulgaria and was greeted as a national hero. Throughout his whole career, he was asked many times to change his citizenship to American. He refused it with the words: "Dan Kolov is Bulgarian". Kolov remained proud Bulgarian until his death and was famous for his words: "I feel strong, because I am Bulgarian". For him, his motherland was the most holy and sacred thing. He is remembered for helping many Bulgarian people in the country and abroad. He gave all of his money to charities. The first Bulgarian airplane for the National Bulgarian Post was donated by him. Having returned home, he spent most of his time establishing wrestling clubs by training young people, but continued to compete professionally until the last years of his life. He also arranged many wrestling matches in Sofia and donated all the profits. He is also famous with another saying, upon his return to Bulgaria, he was asked if he wanted someone to take him home by carriage, to which he replied: "I left home walking, I will go home walking!". The new communist government, after 9 September 1944, awarded him with the high accolade "Honoured Master of Sport". In 1962, the Bulgarian Wrestling Federation organised an international freestyle wrestling tournament named after him to commemorate his memory. In 1999, it was produced the movie about his life Dan Koloff - The King of Wrestling. Death Kolov died in Bulgaria on 27 March 1940 from tuberculosis. His coffin was carried by officers of the Ninth Artillery Corps from the town of Sevlievo