The webapp provides for each item the link on ECB's website.
Speeches for : Christine Lagarde where "weeks" appeared
2023-03-05 : Interview with Grupo Vocento2022-03-15 : Remarks on the euro area economy
2021-07-13 : Interview with Financial Times
2021-04-12 : Interview with CNBC
2020-09-18 : Interview with Challenges
2020-01-24 : Interview with Bloomberg TV