Wikipedia: International Olympiad in Informatics

The International Olympiad in Informatics (IOI) is an annual competition for students of computer science or informatics. The very first one was held in 1989. See http://olympiads.win.tue.nl/ioi/

IOI 2001 to be held in Tampere?, Finland on July 14-21, 2001, http://www.ioi2001.edu.fi/
IOI 2000 was held in Beijing, China, September 23-30, 2000, http://www.ioi2000.org.cn/
IOI 1999 was held in Antalya-Belek?, Turkey, October 9-16, 1999, http://www.ioi99.org.tr/
IOI 1998 was held in Setubal?, Portugal, September 5 - 12, 1998
IOI 1997 was held in Cape Town, South Africa, November 30 - December 7, 1997
IOI 1996 was held in Veszprem?, Hungary, July 25 - August 2, 1996
IOI 1995 was held in Eindhoven, The Netherlands, June 26 - July 3, 1995
IOI 1994 was held in Haninge?, Sweden, July 3 - 10, 1994
IOI 1993 was held in Mendoza?, Argentina, October 16 - 25, 1993
IOI 1992 was held in Bonn, Germany, July 11 - 21, 1992
IOI 1991 was held in Athens, Greece, May 19 - 25, 1991
IOI 1990 was held in Minsk?, Belorussian Republic, Soviet Union, July 15 - 21, 1990
IOI 1989 was held in Pravetz?, Bulgaria, May 16 - 19, 1989.