7th Armoured Brigade (United Kingdom) in February 1940. The 7th Armoured Division had a red jerboa (a nocturnal rodent indigenous to North Africa) as its emblem and became known as 'The Desert Rats'. The 7th Armoured Brigade, meanwhile, had a green jerboa as its emblem. The 7th Brigade became known as the 'Green Rats' or the 'Jungle Rats' after it moved to Burma in 1942. The Second World War broke out in September 1939, with both Britain and France declaring war on Germany after the German Army invaded Poland. Italy launched an invasion of British-controlled Egypt shortly after entering the war on Germany's side in
1st Armoured Division (Australia) in Europe during the early stages of World War II. The Australian War Cabinet approved the formation of an armoured division in July 1940, and 1st Armoured Division was established on 1 July 1941, under the command of Major General John Northcott. The Australian Armoured Corps was established at the same time, with the corps being formally gazetted on 9 July 1941. The Division was established with two armoured brigades, 1st and 2nd, each of three armoured regiments. These were supported by various corps troops including an armoured car regiment, a motor regiment (converted from a light horse formation), engineers,