User blog comment:Salubri/Timeline & Ages in Bleach/@comment-3521993-20120703215522

Things you missed out: Sasakibe has actually been 1st Lieutenant since the founding of the Gotei 13, presumably alongside Shunsui and Ukitake. Toshiro was unheard of 100 years ago. Either, he wasn't born, or wasn't famous yet. This makes him 80-110.