The square root of a number is the number that, when squared (multiplied by itself), is equal to the given number. For example, the square root of 16, denoted 161/2 or, is 4, because 42 = 4Ã4 = 16. The square root of 121, denoted, is 11, because 112 = 121.
Theatre: France. Dates: 26 May to 4 June 1940. Location: Dunkirk. Outcome: Operation Dynamo, the evacuation of around 350,000 British, French and Belgian troops from Dunkirk, enabled the Allies to continue the war and was a major boost to British morale. Players: Britain: Viscount Gort's British Expeditionary Force (BEF) comprising 13 infantry divisions.
Dunkirk is a coastal city in France. If your talking about the battle of Dunkirk and the following evacuation. Then that's a longer story. By May 1940 what we know as WW2 has been happening since September 1939. Poland had been defeated and he German army was massing for an attack on the BEF (British Expoditionary Force) and the French Army.