Ku qor sii wadida sadarkani - Intii lagu jiray Dagaalkii Sokeeye ee Mareykanka, Newbury wuxuu ka soo shaqeeyay 6aad ee Kansas Volunteer Cavalry Regiment, isagoo gaaray darajada ugu horeysa. Kadib wuxuu u adeegay Ciidanka Cumberland, isagoo u dagaalamay Midowga Dagaalkii Chickamauga iyo dagaalladii Missionary Ridge iyo Lookout Mountain
Waxaad Dagaalkii kadib, Newbury waxaa loo magacaabay kaaliye ka tirsan maamulka gobolka Kansas. Waxa uu ka gudbay sharciga Kansas sanadkii 1865-kii, waxana uu halkaas ku dhaqmay sharciga in muddo ah. Wuxuu u adeegay duqa magaalada Iola, Kansas, laakiin wuxuu iska casilay 1870 kadib markii uu go'aansaday inuu u guuro Xeebta Galbeed, halkaas oo uu degay Portland, Oregon, bishii Ogosto ee sanadkaas.