Let me start by saying this. Hashirama>EMS Madara Obito>Tobirama Sasuke>Tsunade
Will its obivous that in the past Senju>Uchiha by far no doubt it's been stated 100s of times...
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and Another when its said Senju was strongest in there era(Too lazy to find it)
But the only Uchiha's with MS back then was Madara and his Fodder brother Izuna ill agree that Senju
WAS STRONGER BACK THEN...
But as of Current manga proves Uchiha greatly surpassed senju All the senju>uchiha manga pages was befour Itachi Sasuke Obito Shisui was even born add them in the mix and there no doubt Uchiha>Senju with med-low diff
Madara Izuna Obito Sasuke Shisui Itachi can Take Hashirama Tobirama Tsunade without much difficulty (There the only strong senju in the series) Now if Madara had these Uchiha at his side during the Uchiha vs Senju fued it wouldn't have been a fight to begin with.....
I say this show me a manga page when it says Senju>Uchiha including the current/dead Uchiha that existed...