1941 Jan. 22. Tobruk in North Africa falls to the British and Australians. British forces advance into Italian Somaliland in East Africa. German General Erwin Rommel arrives in Tripoli, North Africa. First units of German 'Africa Corps' arrive in North Africa.
British forces arrive in Greece.
President Roosevelt signs the Lend-Lease Act. A coup in Yugoslavia overthrows the pro-Axis government. Pro-Axis regime set up in Iraq. Nazis invade Greece and Yugoslavia. Rommel attacks Tobruk.