The webapp provides for each item the link on ECB's website.
Speeches for : Christine Lagarde where "sovereignty" appeared
2024-02-15 : Hearing of the Committee on Economic and Monetary Affairs of the European Parliament2023-12-30 : Euro at 25: the value of unity in a changing world
2023-05-24 : Twenty-five years of the ECB
2023-05-24 : Christine Lagarde on 25 years of the ECB
2020-09-10 : Payments in a digital world