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.