Western Front
Somme: British capture 1,250-yard wide trench system south of Serre Hill (Ancre), taking 215 PoWs. German local counter-attack fails on February 11.
British, French, and German units on the Western Front all carry out successful trench raids today.
Successful Allied raids at Givenchy, Neuville, Grandcourt, La Bassee, Neuve Chappelle, Auberive (Champagne), and Luneville.
German airmen bomb Dunkirk, Amiens and Nancy.
Southern Front
Italy: At Valona two out of three Austrian hydroplanes captured by Italian airmen.
Salonika: c.600 British trench raid (158 casualties) on ‘Petit Couronne’ west of Lake Doiran, gains 27 PaWs. Smaller raid on German 59th Regiment east of Vardar on February 21.
Asiatic and Egyptian Theaters
Mesopotamia: 60-pounder battery severs Turkish Shumran Bridge at 9,600 yards range and forces it West.
Near Kut Turks deliver four unsuccessful attacks on British right flank during the night.
And that fight over the licorice (to use the US spelling: the sources I most frequently cite commonly use British spelling for words) continues:
At Kut British carry the liquorice factory, and establish a new line on a 6,000 yard front, pressing back the Turks from 800-1,200 yards.
Political, etc.
Austria-Hungary: Austria-Hungary proposes allowing Americans to travel the Mediterranean unhindered, in order to preserve relations between the two countries.
Germany: German government agrees to pay Norway for ships sunk by German U-boats, but will not admit illegality of the actions.
More than 400 steamships and 2,700 tugs are employed by Germany to haul captured Romanian equipment and stores up the Danube.
Germany declares that the "period of grace" for neutral shipping has expired.
Mr. Gerard leaves Berlin.
France: French government restricts the number of newspaper pages in order to save on print paper and other resources.
United Kingdom: John William Waterhouse, English painter known for his Pre-Raphaelite style, passed away:
http://imgur.com/hQnFpUz
Chile: Chile sends a reply to Germany refusing to recognize the blockade, and retaining a free hand in case of damage to Chilean ships.
China: China sends energetic protest to Germany, and threatens to break off diplomatic relations.
Netherlands: Dutch government officially protests German resumption of unrestricted submarine warfare and will consider all sinkings to be illegal.
Spain: With the breakoff of diplomatic relations between Germany and U.S., Spain will represent U.S. interests in Berlin. The Spanish ambassador in Berlin formerly represented Spain in Washington D.C. during the start of the Spanish-American War.