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Icho50

Previous IChO’s

The 49th IChO was held in Thailand,
Nakhon Pathom, July 6 – 15, 2017

Official website

The 48th IChO was held in Georgia,
Tbilisi, July 23-Aug 1, 2016

Official website

The 47th IChO was held in Azerbaijan,
Baku, July 20–29, 2015

Official website

The 46th IChO was held in Vietnam,
Hanoi
, July 20–29, 2014

Official website

The 45th IChO was held in Russia,
Moscow
, July 15–24, 2013

Official website