Dee ihe na-esote paragraf a - Cowdin bụ onye ọchịagha nke 2nd Massachusetts Militia Regiment na mbido agha ahụ, a họpụtakwara ya dịka ọchịagha nke 1st Massachusetts Infantry na Mee 25, 1861. Ọ duru ndị agha ya n'agha nke Blackburn's Ford na July 18, 1861, bụ akụkụ nke Israel B. Richardson's brigade nke Daniel Tyler's Division na Agha Mbụ nke Bull Run, ebe e gburu ịnyịnya ya. Ọ hụkwara ọgụ na Williamsburg, Fair Oaks
, Glendale, Malvern Hill na Chantilly.