Science olympiad

• The International Mathematics Olympiad (IMO, since 1959; not held in 1980)
• The International Physics Olympiad[?] (IPhO, since 1967; not held in 1973, 1978, 1980)
• The International Chemistry Olympiad[?] (IChO, since 1968; not held in 1971)
• The International Biology Olympiad[?] (IBO, since 1990)
• The International Olympiad in Informatics (IOI, since 1989)
• The International Astronomy Olympiad[?] (IAO, since 1996)

For an overview, see also http://olympiads.win.tue.nl/

For information on the olympic games (athletics), see IOC.