Began its life in ?2014 in response to the shutdown of the textboards on 4chan/world4ch

Originally located at https://bbs.progrider.org/ (dead atm)

Caused a stir in the community by going down in late February 2017, causing a bunch of replacements to pop up

Succeeded by 4ct.org? Depending on your opinion of 4ct. Also goatfinger.ga. Also 42chan.org. ALSO 333246.com. Keep popping up, don't they?