<Table> <Tr> <Th_colspan="2"> Battle of Antietam Battle of Sharpsburg </Th> </Tr> <Tr> <Td_colspan="2"> Part of the American Civil War </Td> </Tr> <Tr> <Td_colspan="2"> The Battle of Antietam, by Kurz & Allison (1878), depicting the scene of action at Burnside's Bridge </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Th> Date </Th> <Td> September 17, 1862; 155 years ago (1862 - 09 - 17) </Td> </Tr> <Tr> <Th> Location </Th> <Td> Washington County, near Sharpsburg, Maryland 39 ° 28 ′ 24" N 77 ° 44 ′ 41" W ﻿ / ﻿ 39.47333 ° N 77.74472 ° W ﻿ / 39.47333; - 77.74472 Coordinates: 39 ° 28 ′ 24" N 77 ° 44 ′ 41" W ﻿ / ﻿ 39.47333 ° N 77.74472 ° W ﻿ / 39.47333; - 77.74472 </Td> </Tr> <Tr> <Th> Result </Th> <Td> <Ul> <Li> Tactically inconclusive; Union strategic victory </Li> <Li> Emancipation Proclamation issued five days later </Li> </Ul> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th_colspan="2"> Belligerents </Th> </Tr> <Tr> <Td> United States (Union) </Td> <Td> CSA (Confederacy) </Td> </Tr> <Tr> <Th_colspan="2"> Commanders and leaders </Th> </Tr> <Tr> <Td> George B. McClellan </Td> <Td> Robert E. Lee </Td> </Tr> <Tr> <Th_colspan="2"> Units involved </Th> </Tr> <Tr> <Td> Army of the Potomac </Td> <Td> Army of Northern Virginia </Td> </Tr> <Tr> <Th_colspan="2"> Strength </Th> </Tr> <Tr> <Td> 87,164 </Td> <Td> 38,000 "engaged" </Td> </Tr> <Tr> <Th_colspan="2"> Casualties and losses </Th> </Tr> <Tr> <Td> 12,410 2,108 killed; 9,549 wounded; 753 captured / missing </Td> <Td> 10,316 1,567 killed; 7,752 wounded; 1,018 captured / missing </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Battle of Antietam Battle of Sharpsburg </Th> </Tr>

What were the casualties of the battle of antietam
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