▁quite ▁clear , ▁since ▁an ▁observer ▁in ▁uniform ▁transl ational ▁motion ▁can ▁consider ▁himself ▁as ▁at ▁rest , ▁and ▁consequ ently ▁won ' t ▁experience ▁any ▁effect ▁of ▁his ▁own ▁motion . ▁L ength ▁contra ction ▁is ▁thus ▁not ▁meas urable ▁by ▁a ▁com oving ▁observer , ▁and ▁has ▁to ▁be ▁supp lement ed ▁by ▁time ▁d ilation ▁for ▁non - com oving ▁obser vers , ▁which ▁was ▁subsequently ▁also ▁confirmed ▁by ▁the ▁Tr out on – R ank ine ▁experiment ▁( 1 9 0 8 ) ▁and ▁the ▁Kennedy – Th or nd ike ▁experiment ▁( 1 9 3 2 ). ▁ ▁See ▁also ▁ ▁History ▁of ▁special ▁relativ ity ▁ ▁Primary ▁sources ▁ ▁Second ary ▁sources ▁ ▁Category : Tests ▁of ▁special ▁relativ ity <0x0A> </s> ▁The ▁Wisconsin ▁Wal ley e ▁War ▁became ▁the ▁name ▁for ▁late ▁ 2 0 th - century ▁events ▁in ▁Wisconsin ▁in ▁protest ▁of ▁O j ib we ▁hunting ▁and ▁fish ing ▁rights . ▁In ▁a ▁ 1 9 7 5 ▁case , ▁the ▁tribes ▁challeng ed ▁state ▁efforts ▁to ▁reg ulate ▁their ▁hunting ▁and ▁fish ing ▁off ▁the ▁res erv ations , ▁based ▁on ▁their ▁rights ▁in ▁the ▁treat ies ▁of ▁St . ▁Peters ▁( 1 8 3 7 ) ▁and ▁La ▁Po inte ▁( 1 8 4 2 ). ▁On ▁August ▁ 2 1 , ▁ 1 9 8 7 , ▁the ▁U . S . ▁District ▁Court ▁Judge ▁Barbara ▁Cra bb ▁ruled ▁that ▁six ▁O j ib we ▁( Ch ipp ew a