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
4th Armored Division (France, 1940) 4th Armored Division (France, 1940) The 4th Armored Division () was a short-lived armoured unit of the French Army. Formed on 10 May 1940 on the battlefield, it comprised mainly tank battalions. It fought without interruption for forty days and was initially commanded by Charles de Gaulle. The division was formed under Colonel De Gaulle on 15 May 1940. The 4DCr launched an attack on 17 May at the Battle of Montcornet, where it successfully threw back the German defenses but had to retreat on its starting positions for lack of support and air cover. It then moved south of