By the world famous Argentinus out of Unika, Arko III was the Number 1 horse in Europe for 5 consecutive years and won over £1,000,000 before retiring to stud in 2008. Some of his tremendous achievements include representing Britain in the 2004 Athens Olympics, he won the Dubai Classic and was 2nd in the Dubai Grand Prix in 2006. He won the CSIO Rome Grand Prix as well as the CSIO Luscern Grand Prix and was 2nd in the Cann Grand Prix. He has had numerous Nations Cups double clears and because of his accomplishments his owners have been the FEI Winning Owners for the past 2 years. Registered witn the Hannoverian Verband.