On This Day, April 17
- 2021: The funeral of Prince Philip, Duke of Edinburgh, takes place at St George's Chapel, Windsor Castle.
- 2014: NASA's Kepler space telescope confirms the discovery of the first Earth-size planet in the habitable zone of another star.
- 2013: An explosion at a fertilizer plant in the city of West, Texas, kills 15 people and injures 160 others.
- 2006: A Palestinian suicide bomber detonates an explosive device in a Tel Aviv restaurant, killing 11 people and injuring 70.
- 2003: Anneli Jäätteenmäki takes office as the first female prime minister of Finland.