East Africa – Smuts’ Kilimanjaro Offensive begins: Stewart’s 1st Division (4,000 men) advances from Longido. Smuts has total 18,400 men (+ 9,000 in garrisons); 57 guns (+ 9 in garrisons); 99 MGs (+ 25 in garrisons); 4 planes against 6,000 German soldiers, 18 guns, 37 MGs.
Mesopotamia: New large Royal Navy gunboat Mantis joins Tigris flotilla.
Britain: Attempted raids on Forth area, Tyneside and Teesside by 3 German airships; 70 casualties in Hull, Lincs, Leics and Kent (night March 5/6).
Mesopotamia: Turk MGs shoot down Royal Flying Corps Voisin at Es-Sinn.
West Front: German Agent 17 Baron Schluga’s last report from Paris, retires. Died aged 76 in 1917.
New British DMI orders review of non-Western Front Intelligence Corps.