August 10, 2017
Back in 2014, Tumblr (possibly just /pol/) decided that on the fourth of July they were going to raid and get 4chan shut down.
Needless to say, they failed.
Shortly after the snowflakes launched a limp-wrist attack on /b/ and /pol/, chan trolls blitzed the leftist hive with brutal autistic fury.
This event will go into the history books as one of the first Great Triggerings.