e of Tilsit, I, 84

Pegoud, Alfonse, IV, 50

Pepper Hill, successes at, V, 358

Persia, interests in, I, 185

Persia, British position in, IV, 419

Peronne, V, 390;
VI, 232

Pershing, General John J., commander of the American expeditionary
force, VI, 356

_Persia_, destruction of, negotiations over, IV, 500

_Persia_, British steamship, sinking of, IV, 157

Persian Gulf, importance of, II, 505

Perthes, III, 79; IV, 72

Petain, General, report on operations at Verdun, V, 358

Peter, King of Serbia, IV, 290, 302

Pinsk, IV, 205, 207

Pinsk marshes, Russian successes in, V, 197

Poland, campaigns in, II, 462;
III, 345

Poland, Austrian, II, 272

Political situation in Ireland, I, 43

Political conditions in Germany, I, 53

_Portugal_, sinking of, V, 64

Portuguese seizure of German merchant ships, V, 60

Power of Bismarck, growth of, I, 127

Powers, Central, military plans of, I, 33

Pourtales, F., I, 323

Pozieres, bombardment of, VI, 11

Pozieres Wood, advance on, V, 407

_Prinz Eitel Friedrich_, German raider, III, 179

Prinzip, Gabrilo, I, 260

Pripet Marshes, IV, 209

Pripet Marshes, operations in, V, 152;
VI, 81

Pro-German propaganda in United States, IV, 505

Protopopoff, treason of, VI, 388

Provisional Government in Russia, VI, 398

Prussian alliance with Italy, I, 127

Przasnysz, battles of, III, 324

Przemysl, II, 249, 405;
III, 324

Radautz, capture of, V, 183

Radoslavov, Premier of Bulgaria, III, 372

Ramsgate, air raids on, IV, 26

Rancourt, capture of, VI, 27

Rasputin, VI, 374-377, 385

Rawa-Russka, battle of, II, 395

Regime, new, in Russia, VI, 404

Reichstag, Bethmann-Hollweg's statement in, I, 502

Rennenkampf, General, II, 443

Revolution in Russia, VI, 390

Rheims, bombardment of, II, 146-153;
III, 152-154;
VI, 237

Rhodesia, border fighting in, III, 495

Rifles used in different armies, I, 26

Riga-Dvinsk sector, V, 125, 128, 204

Riga, Gulf of, Russian torpedo boats in, V, 151

Rockwell, Kiffin, death of, VI, 181

Rodzianko, Michael, VI, 391

Roosevelt, Theodore, efforts to take troops to France, VI, 335

Root, Elihu, arrival of, in Russia as American Commissioner