Department of the Rappahannock
The Department of the Rappahannock was a department of the Union Army in the Eastern Theater of the American Civil War that existed from April 4 to June 26 , 1862 . 
<triplet> Union Army <subj> American Civil War <obj> conflict <triplet> Eastern Theater <subj> American Civil War <obj> part of <triplet> American Civil War <subj> Eastern Theater <obj> has part