The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "announced" appeared
2015-03-11 : The ECB and its Watchers XVI Conference2014-09-25 : Interview of Mario Draghi with Lithuanian business daily Verslo Zinios
2014-09-22 : Introductory remarks at the EP's Economic and Monetary Affairs Committee
2014-03-03 : Hearing at the Committee on Economic and Monetary Affairs of the European Parliament
2012-10-29 : Interview with Der Spiegel