<Table> <Tr> <Th_colspan="2"> Operation Cobra </Th> </Tr> <Tr> <Td_colspan="2"> Part of Operation Overlord (the Battle of Normandy) </Td> </Tr> <Tr> <Td_colspan="2"> M4 Sherman tanks and infantrymen of the US 4th Armored Division in Coutances </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Th> Date </Th> <Td> 25--31 July 1944 </Td> </Tr> <Tr> <Th> Location </Th> <Td> Saint - Lô, Normandy, France 49 ° 06 ′ 55" N 1 ° 05 ′ 25" W ﻿ / ﻿ 49.115277 ° N 1.090277 ° W ﻿ / 49.115277; - 1.090277 ﻿ (Saint Lo) Coordinates: 49 ° 06 ′ 55" N 1 ° 05 ′ 25" W ﻿ / ﻿ 49.115277 ° N 1.090277 ° W ﻿ / 49.115277; - 1.090277 ﻿ (Saint Lo) </Td> </Tr> <Tr> <Th> Result </Th> <Td> Allied victory </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th_colspan="2"> Belligerents </Th> </Tr> <Tr> <Td> United States </Td> <Td> Germany </Td> </Tr> <Tr> <Th_colspan="2"> Commanders and leaders </Th> </Tr> <Tr> <Td> Bernard Montgomery Omar Bradley J. Lawton Collins Troy Middleton Charles H. Corlett </Td> <Td> Günther von Kluge Paul Hausser Eugen Meindl </Td> </Tr> <Tr> <Th_colspan="2"> Strength </Th> </Tr> <Tr> <Td> 8 infantry divisions 3 armored divisions 2,451 tanks and tank destroyers </Td> <Td> 2 infantry divisions 1 parachute division 4 understrength Panzer divisions 1 Panzergrenadier division 190 tanks and assault guns </Td> </Tr> <Tr> <Th_colspan="2"> Casualties and losses </Th> </Tr> <Tr> <Td> 1,800 casualties at least 109 medium tanks unknown number of light tanks and tank destroyers </Td> <Td> ~ 70 tanks and assault guns </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Operation Cobra </Th> </Tr>

When did the allies break out of normandy