On 3 October 2019, the Court of Justice of the European Union (EU) made a preliminary ruling on the Facebook vs Eva Glawischnig-Piesczek case. It advised that social media platforms can be ordered to take down illegal content, throughout the EU and potentially beyond.

https://www.computerweekly.com/feature/What-the-EUs-decision-on-Facebook-means-for-social-media