Board Thread:Versus Debates/@comment-26005711-20150512133037/@comment-3965545-20150720125709

According to Tsunades statement when fighting Kabuto, it is before the age of 50, since she was 50-51. Orochimaru also says if a 69year old Hiruzen was just 10 years younger then Orochimaru would have already lost and died against him