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Lee Yong-dae achieved Olympic gold in 2008 at the Beijing Summer Olympics. He was part of the South Korean badminton men's doubles team, along with Lee Hyo-jung, where they clinched the gold medal, defeating the Indonesian pair Markis Kido and Hendra Setiawan. This triumph marked a significant milestone for Lee Yong-dae's career and contributed to his recognition as one of the world's top badminton players.