WWII battle (10)
(Other definitions for stalingrad that I've seen before include "where food was short during siege" , "Old Russian city" , "Russian scene of major World War two battle" , "Former name of Volgograd" .)
'wwii battle' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for el alamein that I've seen before include "North African World War two battle" , "North African WW2 battle site" , "Place in Egypt where Montgomery defeated Rommel" , "victory" , "WWII battle" .)