Udine captured by Austrians, 29 O 7; the Italians reoccupy it, 3 N 8 Uganda invaded by Germans, 20 N 4 Ujiji captured by Belgians, 3 Au 6 UKRAINE: a Russian offensive in the, 4 Je 6; the Govt. demands recognition, 19 D 7; its independence accepted at Brest-Litovsk, 10 Ja 8; the Republic makes peace, 9 F 8; the Germans establish a dictatorship, 1 My 8 _Ullswater_, H.M.S., sunk, 15 Au 8 Um-el-Hannah, a battle at, 21 Ja 6 Umlej surrenders, 16 Jl 6 _Undaunted_, H.M.S., sinks German destroyers, 17 O 4 _Undine_ sunk, 7 N 5 UNITED STATES OF AMERICA: sends a Note protesting against maritime policy of Great Britain and France, 7 N 5; publishes a Note protesting against British search of mails, 27 Ja 6; presents a Note to Germany, 19 Ap 6; Mr. Wilson is re-elected President, 7 N 6; he sends a Peace Note, 20 D 6; Germany replies, 25 D 6; the Allies reply, 9 Ja 7; breaks off diplomatic relations with Germany, 3 F 7; invites neutral Powers to sever relations with Germany, 4 F 7; refuses to negotiate with Germany, 12 F 7; asks Congress to declare a state of war, 2 Ap 7; the Senate decides for war, 4 Ap 7; the Government ditto, 5 Ap 7; adopts conscription, 28 Ap 7; publishes Mr. Wilson's message to Russia, 10 Je 7; the first troops reach France, 26 Je 7; a conference with British War Cabinet in London, 20 N 7; declares war on Austria, 7 D 7; replies to Germany's Peace overtures, 15 O 8 Unity of Command announced by the Allies at Rapallo, 9 N 7; by Mr. L. George at Paris, 12 N 7 Urmia occupied by Turks, 16 Ap 5 URUGUAY severs relations with Germany, 6 O 7 Uskub captured by Bulgarians, 22 O 5; by French, 30 S 8 Valenciennes reoccupied by the Allies, 2 N 8; formal entry by the British, 7 N 8 Valona occupied by the Italians, 26 D 4, 29 My 5 Van captured by Russians, 15 My 5; the Battle of, 4 O 5; reoccupied by Russians, 18 Mh 7 Van Deventer, Gen., apptd. to command in East Africa, 16 My 7 _Vanguard_, H.M.S., lost, 9 Jl 7 Vardar crossed by French and British, 27 O 5; the Battle of the, 15-30 S 8 Varennes captured by Allies, 26 S 8 Varna bombarded, 27 O 5 Vaux, Fort, the Germans attack, 3 Mh 6; they gain ground at, 1 Ap 6; the French gain ground at, 20 Ap 6; a fresh German attack, 1 Je 6; the fort isolated, 4 Je 6; more German attacks, 6 Je 6; they capture it, 7 Je 6; the French retake it, 2 N 6; the Americans retake the village, 1 Jl 8 _Vehement_, H.M.S., sunk, 2 Au 8 Veles captured by Bulgarians, 21 O 5; retaken by Serbians, 25 O 5; by Bulgarians, 29 O 5; by Serbians, 25 S 8 _Velox_, H.M.S., mined, 25 O 5 Venice, air-raids on, 11 Je 6, 25 F 8 Venizelos, M., resigns, 5 O 5; goes to Crete, 25 S 6; forms a Provisional Govt., 29 S 6; becomes Premier, 26 Je 7