... International Mathematics Olympiad - since 1959 (except 1980), as usual in July. International Physics Olympiad - since 1967 (except 1973, 1978, 1980), as usual in July. International Chemistry Olympiad - since 1968 (except 1971), as usual in July. ... Those who are interested to get further information about the Olympiads or add their Olympiads to the current list are welcome to contact the Coordinating Council of the International Astronomy Olympiad in English or Russian . ...