_Primula_, H.M.S., sunk, 1 Mh 6 _Prinz Adalbert_ sunk, 23 O 5 Prishtina captured by Austrians, 25 N 5; occupied by French, 10 O 8 Prisrend occupied by Bulgarians, 29 N 5; retaken by French, 11 O 8 _Provence II._ sunk, 26 F 6 Prussia, East: the Russians invade, 7 Au 4; evacuate, 12 S 4; reinvade, 4 O 4; evacuate, 9 O 4; reinvade, 18 Mh 5 Przasnysz, the Battle of, 22 F 5; captured by Germans, 24 F 5; reoccupied by Russians, 27 F 5; retaken by Austro-Germans, 14 Jl 5 Przemysl invested by Russians, 22 S 4; the siege raised for three weeks, 15 O 4; again besieged, 11 N 4; the defences breached, 13 Mh 5; it surrenders, 22 Mh 5; attacked by Austro-Germans, 30 My 5; they capture it, 3 Je 5 Pskoff occupied by Germans, 25 F 8 Pys captured by British, 25 F 7 'Quadrilateral,' the, stormed by British, 18 S 6 Quéant, fighting at, 3 My 7 ---- line captured, 2 S 8 _Queen_ sunk, 27 O 6 _Queen Elizabeth_, H.M.S., in action at the Dardanelles, 25 F 5 _Racoon_, H.M.S., lost, 9 Ja 8 Rafa, the Battle of, 9 Ja 7 _Raglan_, H.M.S., sunk, 20 Ja 8 Ramadieh, the Battle of, 28-29 S 7 Ramah captured by British, 28 D 7 _Ramazan_ sunk, 19 S 5 Ramsgate, a Zeppelin raid on, 17 My 5; air-raids on, 9 F 6, 22 Au 7; bombarded, 18 Mh 7, 27 Ap 7 Rasputin assassinated, 29 D 6 Rava Russka, a battle at, 20 Je 5 _Recruit_ (i), H.M.S., sunk, 1 My 5 ---- (ii), H.M.S., sunk, 9 Au 7 Recruiting for 'Derby' groups closed, 12 D 5 Redmond, Mr. J., dies, 6 Mh 8 _Regina Margherita_ sunk, 11 D 6 _Renaudin_ sunk, 18 Mh 6 'Retreat,' the, begins 24 Au 4; ends, 5 S 4 Reval occupied by Germans, 25 F 8 _Rewa_ sunk, 4 Ja 8 Rheims occupied by Germans, 5 S 4; evacuated by them, 14 S 4; first bombardment of the Cathedral, 20 S 4 Rhodesia, the Germans driven from Abercorn, 1 Au 5 _Rhododendron_, H.M.S., sunk, 5 My 8 Rhondda, Lord, apptd. Food Controller, 15 Je 7; dies 3 Jl 8; is succeeded by Mr. Clynes, 9 Jl 8 Ribot, M., becomes Premier, 19 Mh 7; resigns, 7 S 7 Richthoven, Baron von, shot down, 23 Ap 8 Ridges, the Battle of, 3-6 D 4 Riga, the Russians prepare to evacuate, 5 Au 5; the Germans repulsed near, 7 Au 5; a German squadron invades the Gulf, 10, 17, 18, and 21 Au 5; the Germans advance on, 18 O 5; fighting near, 10 N 5, 7 Ja 7, 23-30 Ja 7; the Germans attack near, 20 Au 7; they occupy it, 3 S 7; a naval action in the Gulf, 12-21 O 7 Rimnic-Sarat captured by Germans, 26-28 D 6 Rizeh captured by Russians, 7 Mh 6 Roberts, Lord, dies, 14 N 4 Robertson, Sir W., apptd. Chief of Staff, 21 D 5; resigns, 16 F 8 Robinson, Lt. W. L., brings down a Zeppelin, 3 S 6 Rœux captured by British, 14 My 7 Roisel occupied by British, 24 Mh 7 Romani, the Battle of, 4-5 Au 6 Roubaix reoccupied by Allies, 18 O 8