Nathaniel Lyon
Nathaniel Lyon ( July 14 , 1818 – August 10 , 1861 ) was the first Union general to be killed in the American Civil War . 
<triplet> Nathaniel Lyon <subj> July 14, 1818 <obj> date of birth <subj> August 10, 1861 <obj> date of death <subj> American Civil War <obj> conflict <triplet> Union <subj> American Civil War <obj> conflict