The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "unveiling" appeared
2015-02-24 : Unveiling of the new €20 banknote2013-01-10 : Unveiling of the 5 euro banknote of the new Europa series
Speeches for : Mario Draghi where "unveiling" appeared
2015-02-24 : Unveiling of the new €20 banknote