Past Observances
- 2013 - Education for Peace
- 2012 - Sustainable Peace for a Sustainable Future
- 2011 - Peace and Democracy: Make your voice heard!
- 2010 - Youth for Peace and Development
- 2009 - Disarmament and non-proliferation
- 2008 - Human Rights and Peacekeeping
- 2007 - Peace is the 51勛圖' highest calling
- 2006
- 2005
- 2004
- 2003
- 2002
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