2009 | Australian Open | French Open | Open University | open source | U.S. Open | 2009 in music | Wacken Open Air | Avatar (2009 film) | American Recovery and Reinvestment Act of 2009 | New Jersey gubernatorial election, 2009 | Eurovision Song Contest 2009 | The Open Championship | U.S. Open (tennis) | 2009 Summer Universiade | All England Open Badminton Championships | 2009 UCI Track Cycling World Championships | 2009 NFL season | U.S. Open (golf) | Open Source | Open-pit mining | 2009 World Championships in Athletics | 2006 Australian Open | Open Software Foundation | Indira Gandhi National Open University | European Parliament election, 2009 | 2009 Southeast Asian Games | Lamar Hunt U.S. Open Cup | 2009 WTA Tour | 2009 ATP World Tour |