The Computer Graphics International (CGI) is one of the oldest annual international conferences on computer graphics. It is organized by the Computer Graphics Society (CGS). Researchers across the whole world are invited to share their experiences and novel achievements in various fields – like computer graphics and human-computer interaction. 

Previous CGI event
June 27th – June 30th 2017 in Yokohama, Japan

Previous CGI events
June 28, 2016 – July 1, 2016, Heraklion, Crete, Greece
June 24, 2015 – June 26, 2015, Strasbourg, France
June 10, 2014 – June 13, 2014, Sydney, Australia
June 12, 2013 – June 14, 2013, Hannover, Germany
June 12, 2012 – June 15, 2012, Poole, UK
June 12, 2011 – June 15, 2011, Ottawa, Canada
June 8, 2010 – June 11, 2010, Singapore
May 26, 2009 – May 29, 2009, Victoria, BC, Canada
June 9, 2008 – June 11, 2008, Istanbul, Turkey
May 30, 2007 – June 2, 2007, Petropolis, Brazil
June 26, 2006 – June 28, 2006, Hangzhou, China
June 22, 2005 – June 25, 2005, Stony Brook, New York, US
June 16, 2004 – June 19, 2004, Crete, Greece
July 9, 2003 – July 11, 2003, Tokyo, Japan
July 3, 2002 – July 5, 2002, Bradford, UK
July 3, 2001 – July 6, 2001, Hong Kong

https://en.wikipedia.org/wiki/Computer_Graphics_International