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===2019===
* '''April 13th 201913, ''' Debuted'''. She was supposed to debut together with [[Nekomata Okayu]] but got sick and debuted later <ref>https://twitter.com/hololivetv/status/1110076954621861888</ref><ref>https://youtu.be/Qap7HFEx_oM</ref>
* '''August 14, 2019, ''' First Endurance Stream (10hours 45 minutes)'''
* '''September 14, 2019, ''' 3D Model Debut'''
* '''September 22, 2019,''' Streamed for 24 hours with [[Sakura Miko]]
* '''November 6, 2019,''' 100,000 Subscriber milestone
* '''December 26, 2019,''' 2nd costume reveal
===2020===
* '''January 1, 2020,''' New Years costume reveal
* '''January 24, 2020, ''' Participated in [[Nonstop Story]]'''
* '''February 24, 2020,''' 200,000 Subscriber milestone
* '''March 13-14, 2020, ''' Korone plays [https://tvtropes.org/pmwiki/pmwiki.php/VideoGame/MakaMaka Maka Maka] for 28 hours '''
* '''April 28, 2020,''' 300,000 Subscriber milestone
* '''May 29, 2020, ''' 400,000 Subscriber milestone'''
== Korone and fingers ==
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