Board Thread:Naruto Discussions/@comment-3965545-20161228130925/@comment-734582-20170101121732

Elveonora wrote: But need I remind you that Madara and Izuna were said to be the first Mangekyou Sharingan users as well, which turned out untrue. To be honest, they were the first users in modern history. Similarly, Mito probably was the first Kurama jinchuriki in modern history (since i doubt much history was kept in the Warring States period).