Past Editions
- OCL 2022, Montreal
- OCL 2021, virtual event
- OCL 2020, canceled due to COVID-19
- OCL 2019, Munich
- OCL 2018, Copenhagen
- OCL 2017, Marburg
- OCL 2016, Saint-Malo
- OCL 2015, Ottawa
- OCL 2014, Valencia
- OCL 2013, Miami
- OCL 2012, Innsbruck
- OCL 2011, Zurich
- OCL 2010, Oslo
- OCL 2009, Colorado
- OCL 2008, Toulouse
- OCL 2007, Nashville
- OCL 2006, Genova
- OCL 2005, Montego Bay
- OCL 2004, Lisbon
- OCL 2003, San Francisco
- OCL 2001, Toronto
- OCL 2000, York