Western Front
A large trench raid at Vimy, led by the 4th Canadian Division, fails, resulting in 637 Canadian casualties.
British lines advanced north-west of Puisieux and north of Warlencourt (Ancre).
German withdrawal to the Hindenburg Line slows, as they launch limited counterattacks against the British advance.
A French caterpillar artillery tractor at a training ground near Bouy:
http://imgur.com/NXyH7Mb*© IWM (Q 78891)
Eastern Front
Fighting continues in southern Bukovina.
Activity round Riga and on Narajowka river (Galicia), where Germans claim success.
Asiatic and Egyptian Theaters
Persia: Turks fall back towards Baghdad, one column from Hamadan and one to Dauletabad.
Hamadan, Kangavarand Sehna (March 5) (Western Persia) recaptured by Russian forces (see also August 10th, 1916, and March 16th, 1918).
A Russian army 107-mm Field Gun Model 1910 in action with Armenian gunners in Middle East
https://i1.wp.com/ww2-weapons.com/w...mm-FieldGun.jpg
Political, etc.
Austria-Hungary: Charles’ Army reforms begin to take effect.
Germany: Zimmermann tells press his telegram is true.
France: 1918 recruits called up.
Poland: State Council, Warsaw, reported organising national army against Russia, using Polish legions as cadres.
United States: U.S. Congress passes resolution for arming merchant ships.
China: Allied nations offer to cancel China’s indemnity for the Boxer Rebellion and revise tariffs if it enters the war on their side.
Mexico: Mexican and Japanese embassies reassure the U.S. that they had nothing to do with the Zimmermann Telegram.