It has been just a little over a year that Jordan Peterson gained fame from his opposition to a Canadian compelled-speech law (Bill C-16). One of the topics he keeps coming back to is the evil done in the Soviet Union (to the chagrin of so many neo-Marxist leftists), and he often recommends that people read Aleksandr Solzhenitsyn’s The Gulag Archipelago. Google Trends shows that just as Peterson’s fame took off in November 2016, interest in The Gulag Archipelago increased by a factor of around 3.5 and has remained high since.
And in case you thought this may be accidental, Google Trends suggests “Jordan Peterson” as one of the related topics and queries for The Gulag Archipelago, which shows that there is a high correlation between searches for The Gulag Archipelago and searches for Peterson: