Previous IChO's

53rd IChO JAP

53rd IChO JAP

Kansai Area, Japan 25 July to 2 August 2021 (remote)

52nd IChO

52nd IChO

Istanbul, Turkey 23 to 29 July 2020 (remote)

51st IChO

51st IChO

Paris, France 21 to 30 July 2019

48th IChO

48th IChO

Tbilisi, Georgia 23 July to 1 August 2016

49th IChO

49th IChO

Nakhon Pathom, Thailand 6 to 15 July 2017

50th IChO

50th IChO

Bratislava, Slovakia and Prague, Czech Republic 19 to 29 July 2018

45th IChO

45th IChO

Moscow, Russia 15 to 24 July 2013

46th IChO

46th IChO

Hanoi, Vietnam 20 to 29 July 2014

47th IChO

47th IChO

Baku, Azerbaijan 20 to 29 July 2015

42nd IChO

42nd IChO

Tokyo, Japan 19 to 28 July 2010

43rd IChO

43rd IChO

Ankara, Turkey 9 to 18 July 2011

44th IChO

44th IChO

Washington DC, United States 21 to 30 July 2012