Other stunts included mass printer hackings, cheerleader dances to PewDiePie's diss track Bitch Lasagna, a march in Estonia, and controversially, the defacing of a World War II memorial.

The campaign was also prominently endorsed by MrBeast, who bought billboards to advertise PewDiePie as well attending the Super Bowl with his friends wearing shirts that spelled out 'SUB 2 PEWDIEPIE', strategically standing in view of cameras broadcasting the game. Many YouTubers consider this to be the greatest YouTube feud of all time, with it being massively widespread across YouTube and the wider internet. This would spark a massive campaign throughout the world that would last over half a year. Many believed T-Series would pose a threat to the future of all content creators due to corporations becoming more and more noticed on the platform. Although it was initially started as a joke in late 2018, it eventually turned into a serious feud that ended up lasting well into 2019.

PewDiePie vs T-Series, also referred to by many as The Great Subscriber War, was a widespread YouTube event in which PewDiePie, who held the title of the most-subscribed YouTube Channel from Augto March 27, 2019, jokingly declared a race against T-Series as a way to remain the most-subscribed channel.

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