2007 | World Cup | FIFA World Cup | World Trade Center | World Series | 2010 FIFA World Cup | World Bank | World Health Organization | Guinness World Records | short film | 1978 FIFA World Cup | World Series of Poker | Allies of World War II | BBC World Service | ATP World Tour 250 series | World Heritage Site | World Boxing Association | World Boxing Council | 2006 FIFA World Cup | short story | short | 2007 in music | World Wide Web | As the World Turns | World Trade Organization | The Championships, Wimbledon | ATP World Tour 250 Series | World Rally Championship | World Intellectual Property Organization | World Economic Forum |
At the World Championships held in Milan, Italy from March 9 to March 11, 2007, Ahn won his fifth world championship, finishing first in the 1000 m and in the 5000 m relay with teammates, Sung Si-Bak, Song Kyung-Taek, and Kim Hyun-Kon.