1 8 9 0 s , ▁all ▁four ▁of ▁the ▁ships ▁were ▁extens ively ▁re construct ed ; ▁their ▁secondary ▁arm ament ▁was ▁modern ized ▁and ▁their ▁prop ulsion ▁systems ▁were ▁re built ▁with ▁new ▁mach in ery , ▁which ▁increased ▁their ▁speed . ▁ ▁The ▁four ▁ships ▁remained ▁with ▁the ▁fleet ▁until ▁shortly ▁after ▁the ▁turn ▁of ▁the ▁century . ▁Sachsen ▁was ▁removed ▁from ▁duty ▁in ▁ 1 9 0 2 ▁and ▁used ▁as ▁a ▁target ▁ship ▁from ▁ 1 9 1 1 ▁to ▁ 1 9 1 9 . ▁Bayern ▁was ▁str icken ▁from ▁the ▁naval ▁register ▁in ▁February ▁ 1 9 1 0 ▁and ▁similarly ▁used ▁as ▁a ▁target ▁vessel ▁until ▁ 1 9 1 9 . ▁Wür ttemberg ▁was ▁converted ▁into ▁a ▁tor ped o ▁training ▁ship ▁in ▁ 1 9 0 6 , ▁equ ipped ▁with ▁seven ▁ ▁tor ped o ▁tub es ▁in ▁a ▁variety ▁of ▁different ▁mount ings . ▁She ▁served ▁in ▁this ▁capacity ▁until ▁ 1 9 1 9 , ▁when ▁she ▁was ▁used ▁briefly ▁as ▁an ▁esc ort ▁for ▁F - bo ats . ▁All ▁three ▁ships ▁were ▁broken ▁up ▁for ▁sc rap ▁between ▁ 1 9 1 9 ▁and ▁ 1 9 2 0 . ▁Baden ▁surv ived ▁longest , ▁serving ▁as ▁a ▁bo om ▁defense ▁h ulk ▁after ▁ 1 9 1 0 ▁and ▁a ▁target ▁ship ▁after ▁ 1 9 2 0 . ▁She ▁remained ▁in ▁the ▁German ▁Navy ' s ▁invent ory ▁until ▁ 1 9 3 8 , ▁when