Hartmannsweilerkopf captured by Germans, 21 Ja 5; a French attack on, 25 Mh 5; captured by French, 27 Mh 5; recaptured by Germans, 25 Ap 5; by French, 28 Ap 5; again, 16 O 5 Harwich, air-raids on, 4 Jl 7, 22 Jl 7; a naval action off, 10 My 7 Hasuur seized by Union troops, 1 Ap 5 Haudromont quarries carried by the French, 21 My 6 Haumont Wood captured by Germans, 22 F 6 Havrincourt, the Battle of, 12-18 S 8 _Hawke_, H.M.S., sunk, 15 O 4 Hedjaz, King of the: _see_ Grand Sherif ---- railway, a part seized by Arabs, 24 Ap 8 (_see_ PALESTINE, SYRIA, Amman). _Hela_ sunk, 13 S 4 Heligoland (ceded to Germany, 9 Au 1890), the Battle of the Bight of, 28 Au 4; naval actions in the Bight, 16 Au 7, 17 N 7, 28 Mh 8, 20 Ap 8 Hermanstadt occupied by Roumanians, 1 S 6 _Hermes_, H.M.S., sunk, 31 O 4 _Herrmann_ sunk, 13 Je 6 Hertling, Count, becomes Premier, 1 N 7; resigns, 1 O 8 _Hesperian_ sunk, 4 S 5 _Highflyer_, H.M.S., sinks the _Kaiser Wilhelm der Grosse_, 26 Au 4 High Wood, fighting at, 31 Au 6, 15 S 6 _Hilary_, H.M.S., sunk, 25 My 7 Hill 60, fighting at, 17-21 Ap 5; captured by Germans, 5 My 5 Hill 265 captured by Germans, 7 Mh 6 ---- 304, fighting at, 5-6 My 6, 17 My 6; retaken by French, 28 Mh 7; fighting at, 17 Jl 7 Hindenburg, Gen. von, apptd. to command in East Prussia, 22 Au 4; apptd. Chief of General Staff, 29 Au 6 Hindenburg Line, portions captured, 13 Ap 7, 3 My 7, 15 Je 7 Hintze, Adm. von, succeeds Von Kühlmann, 9 Jl 8 _Hiramo Maru_ sunk, 4 O 8 Hit occupied by British, 9 Mh 8 Hoboken, air-raids on, 24 Mh 5, 1 Ap 5 _Hogue_, H.M.S., sunk, 22 S 4 Hohenzollern Redoubt, fighting at, 29 S 5, 3 O 5, 4 Mh 6, 18 Mh 6 Homs occupied by British, 15 O 8 HONDURAS severs relations with Germany, 17 My 7 Hooge, a German attack at, 2 Je 5, 6 Je 6; British successes at, 21 Jl 5, 9 Au 5; a liquid-fire attack at, 30 Jl 5 Hoskins, Gen., succeeds Gen. Smuts, 28 Ja 7; is succeeded by Gen. van Deventer, 16 My 7 HOSPITAL SHIPS ATTACKED: the _Asturias_ 1 F 5; the _Anglia_ sunk, 17 N 5; the _Portugal_ sunk, 30 Mh 6; the _Braemar Castle_ torpedoed, 24 N 6; the _Britannic_ sunk, 21 N 6; the _Asturias_ sunk, 21 Mh 7; the _Gloucester Castle_ sunk, 30 Mh 7; the _Donegal_ and _Lanfranc_ sunk, 17 Ap 7; the _Dover Castle_, 26 My 7; the _Rewa_ sunk, 4 Ja 8; the _Glenart Castle_ sunk, 26 F 8; the _Guildford Castle_ torpedoed, 10 Mh 8; the _Koningin Regentes_ sunk, 6 Je 8; the _Llandovery Castle_ sunk, 27 Je 8 _Housatonic_ sunk, 3 F 7 Houthulst Forest, fighting in, 9 O 7, 12 O 7, 22 O 7 Hulluch, fighting at, 26 S 5 'Hunding' line broken by French, 19 O 8 HUNGARY (_see_ AUSTRIA-HUNGARY): invaded by Russia, 28 S 4; proclaims a Republic, 31 O 8 Hussein Kamel, Khedive of Egypt, succeeds Abbas II., 18 D 4; dies, 9 O 7