https://www.theregister.co.uk/2018/07/03/wikipedia_article13_blackout/

Wikipedia is appealing to its users to swing a knife-edge vote in the European Parliament – even though the crowdsourced encyclopaedia itself won a specific exemption from the legal changes the EU has proposed (PDF).

As European Parliament's legal affairs committee mulls over votes to tweak the EU Directive on Copyright in the Digital Single Market, the site has also "gone dark" in Italy. Globally it's the fifth most popular site in the world.