▁against ▁the ▁Al am anni , ▁Qu adi , ▁and ▁S arm ati ans . ▁Most ▁notable ▁was ▁his ▁victory ▁over ▁the ▁Al am anni ▁in ▁ 3 6 7 ▁at ▁the ▁Battle ▁of ▁Sol ic in ium . ▁His ▁brilliant ▁general ▁Count ▁The odos ius ▁defeated ▁a ▁revol t ▁in ▁Africa ▁and ▁the ▁Great ▁Cons pi racy , ▁a ▁coordin ated ▁assault ▁on ▁Roman ▁Britain ▁by ▁P ict s , ▁Sc ots , ▁and ▁Sax ons . ▁Val entin ian ▁was ▁also ▁the ▁last ▁em peror ▁to ▁conduct ▁campaign s ▁across ▁both ▁the ▁Rh ine ▁and ▁Dan ube ▁rivers . ▁Val entin ian ▁re built ▁and ▁improved ▁the ▁fort ifications ▁along ▁the ▁front iers , ▁even ▁building ▁for tr esses ▁in ▁enemy ▁territory . ▁ ▁Due ▁to ▁the ▁successful ▁nature ▁of ▁his ▁reign ▁and ▁the ▁rapid ▁decl ine ▁of ▁the ▁emp ire ▁after ▁his ▁death , ▁he ▁is ▁often ▁considered ▁to ▁be ▁the ▁" last ▁great ▁western ▁em peror ". ▁He ▁founded ▁the ▁Val entin ian ▁D ynast y , ▁with ▁his ▁sons ▁Gr at ian ▁and ▁Val entin ian ▁II ▁succeed ing ▁him ▁in ▁the ▁western ▁half ▁of ▁the ▁emp ire . ▁ ▁Early ▁life ▁ ▁Val entin ian ▁was ▁born ▁in ▁ 3 2 1 ▁at ▁C ib ala e ▁in ▁southern ▁P ann onia ▁( now ▁V ink ov ci ▁in ▁Cro atia ) ▁into ▁an ▁Il ly ro - R oman ▁family . ▁Val entin ian ▁and ▁his ▁younger ▁brother ▁Val ens ▁were ▁the ▁sons ▁of ▁Gr at