Who hit 100 million subscribers first?

Who hit 100 million subscribers first?
PewDiePie vs T-Series

PewDiePie in 2019 T-Series’ logo

Date
29 August 2018 – 28 April 2019

Outcome
T-Series overtook PewDiePie as the most-subscribed YouTube channel, becoming the first YouTube channel to reach 100 million subscribers

PewDiePie vs T-Series
PewDiePie in 2019 T-Series‘ logo
Date 29 August 2018 – 28 April 2019
Outcome T-Series overtook PewDiePie as the most-subscribed YouTube channel, becoming the first YouTube channel to reach 100 million subscribers