The longest thread

The longest known thread, on 4chan, totaled 103,581 replies and was the /pol/ sticky for the 2020 Presidential Election Results.

Close and past contenders are: the /pol/ sticky when the Ukraine war had just dropped, with 88,034 replies; the sticky for the 2016 presidential election results with 73,171 replies; the /h/ sticky in 2019 about SadPanda closing down with 74,553 replies, with which actually surpassed the 2016 election sticky. = Bibliography and methodology = 4plebs.org provides a "largest threads" query under a /statistics/ API endpoint. The /statistics/ endpoint is an original extension to the FoolFuuka API (no other archive websites currently have it or equivalent feature (correction archived.moe and other archives that are still alive today had a similar page in 2019 but not anymore) so the boards which 4plebs archives are the only 4chan boards for which the longest thread is known as of September 2022.