megnyitó személykéntas an opening speaker
22. August 2023. ‒ 02. September
31. May 2019. ‒ 27. June
20. March 2019. ‒ 12. April
03. October 2015. ‒ 31. October
12. June 2015. ‒ 31. July
18. February 2014. ‒ 14. March
10. April 2013. ‒ 26. April
08. March 2012. ‒ 21. April
01. May 2011. ‒ 24. July
11. December 2009. ‒ 29. January 2010.
31. July 2008. ‒ 05. August
17. September 2006. ‒ 05. October