The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "celebration" appeared
2010-09-05 : Celebration of the 130th anniversary of Banca Naţională a României2009-06-12 : Celebration of 130th Anniversary of the Bulgarian National Bank
2009-01-13 : The euro@10: achievements and responsibilities
2008-06-02 : Address at the ceremony to mark the 10th anniversary of the European Central Bank and the European System of Central Banks