Blackout Tuesday - Wikipedia

Websites blackout in protest of SOPA - Jan. 18, 2012

Conspiracy videos? Fake news? Enter Wikipedia, the 'good cop' of

Essay Due? Here's How To Access Wikipedia During The SOPA Blackout

What was the Reddit blackout of protest? - Quora

Wikipedia officials say there's 'still work to do' regarding anti-piracy

Battle for the Internet's Soul: Google, Wikipedia Stage SOPA Protest

واژه مترادف و متضاد سیاه‌رو با تلفظ فارسی

Social Media Blackout - BrandMentions Wiki

What was the Reddit blackout of protest? - Quora

Wikipedia begins blackout in protest against US anti-piracy laws

Wikipedia to be blacked out over anti-piracy bill

Is posting a black square on social media useless? - Quora

European Wikipedias have been turned off for the day to protest