The 2nd Battalion, Essex Regiment, was originally part of the 25th Infantry Brigade (containing the 1/7th Battalion, Queen's Royal Regiment (West Surrey) and 1st Battalion, Royal Irish Fusiliers) attached to the 50th (Northumbrian) Infantry Division and served with the British Expeditionary Force (BEF) in France in 1940. The battalion was evacuated from Dunkirk after the short but fierce Battle of Dunkirk, part of the larger Battle of France.