| IChO |
City |
Country |
Date |
Official Website |
| 55th |
Zurich |
Switzerland |
July 16-25, 2023 |
https://www.icho2023.ch/ |
| 54th |
Tianjin |
China |
July 10-18 2022 |
https://www.icho2022.cn/ |
| 53rd |
Osaka |
Japan |
July 25-Aug 2, 2021 |
https://www.icho2021.org/ |
| 52nd |
Istanbul |
Turkey |
July 23-29 2020 |
https://icho2020.tubitak.gov.tr/ |
| 51st |
Paris |
France |
July 21-30, 2019 |
https://icho2019.paris/en/ |
| 50th |
Bratislava and Prague |
Slovakia and Czech Republic |
July 19—29, 2018 |
https://50icho.eu/ |
| 49th |
Nakhon Cothom |
Thailand |
July 6-15, 2017 |
https://icho2017.sc.mahidol.ac.th/ |
| 48th |
Tbilisi |
Georgia |
July 23-Aug 1, 2016 |
http://www.icho2016.chemistry.ge/index.php |
| 47th |
Baku |
Azerbaijan |
July 20–29, 2015 |
http://icho2015.msu.az |
| 46th |
Hanoi |
Vietnam |
July 20–29, 2014 |
http://icho2014.hus.edu.vn |
| 45th |
Moscow |
Russia |
July 15–24, 2013 |
http://www.icho2013.chem.msu.ru |
| 44th |
Washington, D.C. |
United States |
July 21–30, 2012 |
http://icho2012.org |
| 43rd |
Ankara |
Turkey |
July 9–18, 2011 |
|
| 42nd |
Tokyo |
Japan |
July 19–28, 2010 |
http://www.icho2010.org/top.html |
| 41st |
Cambridge |
United Kingdom |
July 18–27, 2009 |
http://www.icho2009.co.uk |
| 40th |
Budapest |
Hungary |
July 12–21, 2008 |
http://icho.hu |
| 39th |
Moscow |
Russia |
July 15–24, 2007 |
http://www.icho39.chem.msu.ru |
| 38th |
Gyeongsan |
South Korea |
July 1–11, 2006 |
|
| 37th |
Taipei |
Chinese Taipei |
July 16–25, 2005 |
|
| 36th |
Kiel |
Germany |
July 18–27, 2004 |
http://www.icho.de |
| 35th |
Athens |
Greece |
July 5–14, 2003 |
http://www.35icho.uoa.gr/ichol_eng/index_eng.htm |
| 34th |
Groningen |
Netherlands |
July 5–14, 2002 |
|
| 33rd |
Mumbai |
India |
July 6–15, 2001 |
http://www.hbcse.tifr.res.in/icho-2001 |
| 32nd |
Copenhagen |
Denmark |
July 2–11, 2000 |
|
| 31st |
Bangkok |
Thailand |
July 4–11, 1999 |
|
| 30th |
Melbourne |
Australia |
July 5–14, 1998 |
|
| 29th |
Montreal |
Canada |
July 13–22, 1997 |
|
| 28th |
Moscow |
Russia |
July 14–23, 1996 |
|
| 27th |
Beijing |
China |
July 13–20, 1995 |
|
| 26th |
Oslo |
Norway |
July 3–11, 1994 |
http://folk.uio.no/johnv/26thIChO |
| 25th |
Perugia |
Italy |
July 11–22, 1993 |
|
| 24th |
Pittsburgh and Washington, D.C. |
United States |
July 11–22, 1992 |
|
| 23rd |
Łódź |
Poland |
July 7–15, 1991 |
|
| 22nd |
Paris |
France |
July 8–17, 1990 |
|
| 21st |
Halle |
East Germany |
July 2–10, 1989 |
|
| 20th |
Espoo |
Finland |
July 2–9, 1988 |
|
| 19th |
Veszprém |
Hungary |
July 6–15, 1987 |
|
| 18th |
Leiden |
Netherlands |
July 6–15, 1986 |
|
| 17th |
Bratislava |
Czechoslovakia |
July 1–8, 1985 |
|
| 16th |
Frankfurt |
West Germany |
July 1–10, 1984 |
|
| 15th |
Timişoara |
Romania |
July 2–11, 1983 |
|
| 14th |
Stockholm |
Sweden |
July 3–12, 1982 |
|
| 13th |
Burgas |
Bulgaria |
July 13–23, 1981 |
|
| 12th |
Linz |
Austria |
July 13–23, 1980 |
|
| 11th |
Leningrad |
Soviet Union |
July 2–11, 1979 |
|
| 10th |
Toruń |
Poland |
July 3–13, 1978 |
|
| 9th |
Bratislava |
Czechoslovakia |
July 4–14, 1977 |
|
| 8th |
Halle |
East Germany |
July 10–19, 1976 |
|
| 7th |
Veszprém |
Hungary |
July 1–10, 1975 |
|
| 6th |
Bucharest |
Romania |
July 1–10, 1974 |
|
| 5th |
Sofia |
Bulgaria |
July 1–10, 1973 |
|
| 4th |
Moscow |
Soviet Union |
July 1–10, 1972 |
|
| — |
not held in 1971 |
— |
— |
|
| 3rd |
Budapest |
Hungary |
July 1–5, 1970 |
|
| 2nd |
Katowice |
Poland |
June 16–20, 1969 |
|
| 1st |
Prague |
Czechoslovakia |
June 18–21, 1968 |
|
