▁Civil ▁War . ▁It ▁was ▁among ▁scores ▁of ▁reg iments ▁that ▁were ▁raised ▁in ▁the ▁summer ▁of ▁ 1 8 6 4 ▁as ▁H undred ▁Days ▁Men , ▁an ▁effort ▁to ▁augment ▁existing ▁man power ▁for ▁an ▁all - out ▁push ▁to ▁end ▁the ▁war ▁within ▁ 1 0 0 ▁days . ▁ ▁Service ▁The ▁ 4 7 th ▁Iowa ▁Infantry ▁was ▁organized ▁at ▁D aven port , ▁Iowa , ▁and ▁must ered ▁in ▁for ▁one - h undred ▁days ▁Federal ▁service ▁on ▁June ▁ 4 , ▁ 1 8 6 4 , ▁as ▁part ▁of ▁a ▁plan ▁to ▁raise ▁short ▁term ▁reg iments ▁for ▁service ▁as ▁rear ▁area ▁g arrison ▁duty ▁to ▁release ▁veter an ▁troops ▁for ▁Sh erman ' s ▁Atlanta ▁Camp aign . ▁ ▁The ▁ 4 7 th ▁Iowa ▁g arrison ed ▁strateg ic ▁points ▁in ▁the ▁District ▁of ▁Ark ansas . ▁ ▁The ▁regiment ▁was ▁must ered ▁out ▁at ▁D aven port , ▁Iowa , ▁on ▁September ▁ 2 8 , ▁ 1 8 6 4 . ▁ ▁Total ▁strength ▁and ▁cas ual ties ▁A ▁total ▁of ▁▁ 8 8 4 ▁men ▁served ▁in ▁the ▁ 4 7 th ▁Iowa ▁at ▁one ▁time ▁or ▁another ▁during ▁its ▁existence . ▁ ▁Command ers ▁ ▁See ▁also ▁List ▁of ▁Iowa ▁Civil ▁War ▁Units ▁Iowa ▁in ▁the ▁American ▁Civil ▁War ▁ ▁Notes ▁ ▁References ▁The ▁Civil ▁War ▁Archive ▁ ▁Category : I owa ▁Civil ▁War ▁reg iments ▁Category : Mil it ary ▁units ▁and ▁form ations ▁established ▁in ▁ 1 8