<Table> <Tr> <Th colspan="2"> First Battle of Bull Run First Battle of Manassas </Th> </Tr> <Tr> <Td colspan="2"> Part of the American Civil War </Td> </Tr> <Tr> <Td colspan="2"> First Battle of Bull Run . Chromolithograph by Kurz & Allison , 1889 </Td> </Tr> <Tr> <Td colspan="2"> <Table> <Tr> <Th> Date </Th> <Td> July 21 , 1861 ( 1861 - 07 - 21 ) </Td> </Tr> <Tr> <Th> Location </Th> <Td> Fairfax County and Prince William County , Virginia 38 ° 48 ′ 53 '' N 77 ° 31 ′ 22 '' W ﻿ / ﻿ 38.8147 ° N 77.5227 ° W ﻿ / 38.8147 ; - 77.5227 Coordinates : 38 ° 48 ′ 53 '' N 77 ° 31 ′ 22 '' W ﻿ / ﻿ 38.8147 ° N 77.5227 ° W ﻿ / 38.8147 ; - 77.5227 </Td> </Tr> <Tr> <Th> Result </Th> <Td> Decisive Confederate victory </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th colspan="2"> Belligerents </Th> </Tr> <Tr> <Td> United States ( Union ) </Td> <Td> Confederate States ( Confederacy ) </Td> </Tr> <Tr> <Th colspan="2"> Commanders and leaders </Th> </Tr> <Tr> <Td> <P> Political leaders : </P> <Ul> <Li> Abraham Lincoln </Li> </Ul> <P> Military commanders : </P> <Ul> <Li> Winfield Scott </Li> <Li> Irvin McDowell </Li> <Li> Robert Patterson </Li> </Ul> </Td> <Td> <P> Political leaders : </P> <Ul> <Li> Jefferson Davis </Li> </Ul> <P> Military commanders : </P> <Ul> <Li> P.G.T. Beauregard </Li> <Li> Thomas `` Stonewall '' Jackson ( WIA ) </Li> <Li> Joseph E. Johnston </Li> </Ul> </Td> </Tr> <Tr> <Th colspan="2"> Units involved </Th> </Tr> <Tr> <Td> <P> Department of Northeastern Virginia : </P> <Ul> <Li> Army of Northeastern Virginia </Li> </Ul> <P> Department of Pennsylvania : </P> <Ul> <Li> Patterson 's Command ( not engaged ) </Li> </Ul> </Td> <Td> <Li> Army of the Potomac </Li> <Li> Army of the Shenandoah </Li> </Td> </Tr> <Tr> <Th colspan="2"> Strength </Th> </Tr> <Tr> <Td> <P> Army of Northeastern Virginia : </P> <Ul> <Li> 35,732 ( c. 18,000 engaged ) </Li> </Ul> <P> Patterson 's Command : </P> <Ul> <Li> 14 -- 18,000 ( not engaged ) </Li> </Ul> </Td> <Td> 32,000 -- 34,000 ( c. 18,000 engaged ) </Td> </Tr> <Tr> <Th colspan="2"> Casualties and losses </Th> </Tr> <Tr> <Td> 2,708 ( 481 killed ; 1,011 wounded ; 1,216 missing ) </Td> <Td> 1,982 ( 387 killed ; 1,582 wounded ; 13 missing ) </Td> </Tr> </Table>
who won the 1st battle of bull run
Confederate