List of previous IChO

The list of previous International Chemistry Olympiads (IChO’s):

1^st IChO	Prague, Czechoslovakia	June 18 – 21, 1968
2^nd IChO	Katowice, Poland	June 16 – 20, 1969
3^rdIChO	Budapest, Hungary	July 1 – 5, 1970
4^thIChO	Moscow, Soviet Union	July 1 – 10, 1972
5^thIChO	Sofia, Bulgaria	July 1 – 10, 1973
6^thIChO	Bucharest, Romania	July 1 – 10, 1974
7^thIChO	Veszprem, Hungary	July 1 – 10, 1975
8^thIChO	Halle, East Germany	July 10 – 19, 1976
9^thIChO	Bratislava, Czechoslovakia	July 4 – 14, 1977
10^thIChO	Torun, Poland	July 3 – 13, 1978
11^th IChO	Leningrad, Soviet Union	July 2 – 11, 1979
12^thIChO	Linz, Austria	July 13 – 23, 1980
13^thIChO	Burgas, Bulgaria	July 13 – 23, 1981
14^thIChO	Stockholm, Sweden	July 3 – 12, 1982
15^thIChO	Timisoara, Romania	July 2 – 11, 1983
16^thIChO	Frankfurt, West Germany	July 1 – 10, 1984
17^thIChO	Bratislava, Czechoslovakia	July 1 – 8, 1985
18^thIChO	Leiden, Netherlands	July 6 – 15, 1986
19^thIChO	Veszprem, Hungary	July 6 – 15, 1987
20^thIChO	Espoo, Finland	July 2 – 9, 1988
21^stIChO	Halle, East Germany	July 2 – 10, 1989
22^nd IChO	Paris, France	July 8 – 17, 1990
23^rdIChO	Lodz, Poland	July 7 – 15, 1991
24^th IChO	Pittsburgh, United States	July 11 – 22, 1992
25^th IChO	Perugia, Italy	July 11 – 22, 1993
26^thIChO	Oslo, Norway	July 3 – 11, 1994
27^th IChO	Beijing, China	July 13 – 20, 1995
28^th IChO	Moscow, Russian Federation	July 14 – 23, 1996
29^th IChO	Montreal, Canada	July 13 – 22, 1997
30^th IChO	Melbourne, Australia	July 5 – 14, 1998
31^st IChO	Bangkok, Thailand	July 4 – 11, 1999
32^nd IChO	Copenhagen, Denmark	July 2 – 11, 2000
33^rd IChO	Mumbai, India	July 6 – 15, 2001
34^th IChO	Groningen, Netherlands	July 5 – 14, 2002
35^th IChO	Athens, Greece	July 5 – 14, 2003
36^th IChO	Kiel, Germany	July 18 – 27, 2004
37^th IChO	Taipei, Chinese Taipei	July 16 – 25, 2005
38^th IChO	Gyeongsan, South Korea	July 1 – 11, 2006
39^th IChO	Moscow, Russian Federation	July 15 – 24, 2007
40^th IChO	Budapest, Hungary	July 12 – 21, 2008
41^stIChO	Cambridge, United Kingdom	July 18 – 27, 2009
42^nd IChO	Tokyo, Japan	July 19 – 28, 2010
43^rd IChO	Ankara, Turkey	July 9 – 18, 2011
44^th IChO	Washington, United States	July 21 – 30, 2012
45^th IChO	Moscow, Russian Federation	July 15 – 24, 2013
46^th IChO	Hanoi, Vietnam	July 21 – 29, 2014
47^th IChO	Baku, Azerbaijan	July 20 – 29, 2015
48^th IChO	Tbilisi, Georgia	July 23– August 1, 2016
49^th IChO	Nakhom Pathom, Thailand	July 6 – 17, 2017
50^thIChO	Bratislava, Slovakia – Prague, Czech Rep.	July 19 – 29, 2018
51^st IChO	Paris, France	July 21 – 30, 2019
52^thIChO	Istanbul, Turkey	July 6 – 15, 2020
53^st IChO	Osaca, Japan	July 24 – August 2, 2021
54^st IChO	Tianjin, China	July 10 – 17, 2022
55^st IChO	Zurich, Switzerland	July 16 – 25, 2003

Due to the pandemy (Covid-19) the 53rd and 54th IChOs were organized as remote competitions and, naturally, without experimental parts

Compiled and edited by A. Sirota (IChO Intern. Information Centre)

Contact us

Dr. Anton Sirota|Director of the IChO IIC
NIVaM – National Institute for Education and Youth
Hálova 6, 851 01 Bratislava, Slovakia
E-mail: anton.sirota@stuba.sk|Phone: +421 907 473 367

Dr. Martin Putala|Department of Organic Chemistry
Faculty of Natural Sciences
Comenius University, Bratislava, Ilkovičova 6, Slovakia
E-mail: putala@fns.uniba.sk|Phone: +421 918 669 092