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  1. Pittsburgh, Pennsylvania: history, geography, economy and culture Pittsburgh Articles · #77160
  2. Pittsburgh Penguins Articles · #77152
  3. Pittsburgh Pirates Articles · #77154
  4. Pittsburgh Pirates (NHL): early American professional ice hockey team Pittsburgh Pirates (NHL) Articles · #77153
  5. Pittsburgh Post-Gazette Articles · #77155
  6. Pittsburgh Steelers Articles · #77156
  7. Pittsburgh Symphony Orchestra — overview, history, and role in the city Pittsburgh Symphony Orchestra Articles · #77157
  8. Pittsburgh synagogue shooting (Tree of Life, October 27, 2018) Pittsburgh synagogue shooting Articles · #77158
  9. Pittsburgh Theological Seminary Articles · #77159
  10. Pittsfield Building Articles · #77161
  11. Pittsfield, Illinois — county seat and small Midwestern city Pittsfield, Illinois Articles · #77162
  12. Pittsfield, Massachusetts — City and cultural hub in the Berkshires Pittsfield, Massachusetts Articles · #77163
  13. Pittsylvania County, Virginia Articles · #144242
  14. Pituitary adenoma Articles · #77164
  15. Pituitary gland: structure, function, development, and clinical relevance Pituitary gland Articles · #77165
  16. Pity: meaning, characteristics, distinctions, and social effects Pity Articles · #77166
  17. Piura (Peru) — city and regional capital Piura Articles · #77168
  18. Piura Region (Peru): geography, history, economy and culture Piura Region Articles · #77167
  19. Pius Adesanmi — Nigerian‑Canadian professor, columnist and satirist Pius Adesanmi Articles · #128806
  20. Piute County, Utah Articles · #77169
  21. Pixar Animation Studios: history, technology, and film legacy Pixar Articles · #77170
  22. Pixel (picture element): definition, structure, color, history, and uses Pixel Articles · #77172
  23. Google Pixel 3: overview, design, camera and legacy Pixel 3 Articles · #77171
  24. Pixels per inch (PPI): definition, calculation, and practical importance Pixels per inch Articles · #77173
  25. Pixie Geldof Articles · #144245
  26. Pixie Lott: English singer-songwriter, performer and actress Pixie Lott Articles · #128807
  27. Pixies: folklore beings and the American alternative rock band Pixies Articles · #77174
  28. Pixley, Kansas Articles · #77175
  29. Pixote: A Lei do Mais Fraco (Pixote: The Law of the Weakest) Pixote Articles · #77176
  30. Piya Kay Ghar Jaana Hai (2006 Pakistani television drama) Piya Kay Ghar Jaana Hai Articles · #144247
  31. Piyaa Albela an Indian soap opera Articles · #77177
  32. Piyaro Lund — town and union council in Tando Allahyar District, Sindh Piyaro Lund Articles · #77178
  33. Pizay (Ain) — a small commune in Auvergne-Rhône-Alpes, France Pizay Articles · #77179
  34. Pizieux: a rural commune in Sarthe, Pays de la Loire Pizieux Articles · #77180
  35. Pizy (former municipality in Vaud, Switzerland) Pizy Articles · #77181
  36. Pizza: Origins, Ingredients, Styles, and Cultural Impact Pizza Articles · #77183
  37. Pizza Hut Articles · #77182
  38. Pizzicato: the plucked technique for bowed string instruments Pizzicato Articles · #77184
  39. PJ Harvey (Polly Jean Harvey) PJ Harvey Articles · #128808
  40. PK (Kalashnikov) general-purpose machine gun PK machine gun Articles · #77185
  41. Placard: meaning, forms, uses, and distinguishing features Placard Articles · #77186
  42. Placé (Mayenne) — small commune in Pays de la Loire, France Placé Articles · #77189
  43. Place of Articulation (phonetics) Place of articulation Articles · #77187
  44. Place Value (Positional Notation) in Number Systems Place value Articles · #77188
  45. Placebo: inert treatments, the placebo effect, and their role in medicine Placebo Articles · #77191
  46. Placebo (band) Articles · #77190
  47. Placekicker (football) — role, technique, and importance Placekicker Articles · #53312
  48. Placenta temporary organ in the uterus (womb) of pregnant female mammals Articles · #77192
  49. Placer County, California Articles · #77193
  50. Placerville, California Articles · #77194
  51. Placerville, Idaho — a small mountain community in the United States Placerville, Idaho Articles · #77195
  52. Plácido Domingo Articles · #128809
  53. Placoderms — Armoured Devonian Jawed Fishes Placoderm Articles · #77196
  54. Placodonts: Triassic marine reptiles adapted for shell‑crushing Placodont Articles · #77197
  55. Placozoa: the simplest known multicellular animals Placozoa Articles · #77198
  56. Placy (former commune in Calvados, France) Placy Articles · #77199
  57. Plaffeien (Fribourg) Plaffeien Articles · #77200
  58. Plagiarism: Definition, Types, Consequences, and Prevention Plagiarism Articles · #77201
  59. Plagne (Ain) — commune in Auvergne-Rhône-Alpes Plagne, Ain Articles · #77202
  60. Plagne, Switzerland — former municipality in Jura bernois Plagne, Switzerland Articles · #77203
  61. Plague doctor costume Articles · #77204
  62. Plague of Athens (430–427 BC) Plague of Athens Articles · #77205
  63. Plague of Justinian (6th-century pandemic) Plague of Justinian Articles · #77206
  64. Plagues of Egypt (the Ten Plagues) Plagues of Egypt Articles · #77207
  65. Plaice: species, appearance, habitat and uses Plaice Articles · #77208
  66. Plaid Cymru: Wales's Party of Nationalism and Social Democracy Plaid Cymru Articles · #77209
  67. Plaigne — A small commune in Aude, Occitanie, France Plaigne Articles · #77210
  68. Plain (geography): types, formation, ecology and human uses Plain Articles · #77216
  69. Plain Dealing, Louisiana Articles · #77211
  70. Plain English Campaign: history, aims, awards and influence Plain English Campaign Articles · #77212
  71. Plain text (unformatted textual data) Plain text Articles · #77213
  72. Plain View Doctrine (U.S. Fourth Amendment Exception) Plain view doctrine Articles · #77214
  73. Plain White T's Articles · #77215
  74. Plainfield (place name) Plainfield Articles · #77220
  75. Plainfield, Connecticut Articles · #77217
  76. Plainfield, Iowa: profile of a small Midwestern city Plainfield, Iowa Articles · #77218
  77. Plainfield, New Jersey: Overview, History, and Community Plainfield, New Jersey Articles · #77219
  78. Plains Indians: Indigenous Peoples of the Great Plains and Canadian Prairies Plains Indians Articles · #77222
  79. Plains spadefoot toad (Spea bombifrons) Plains spadefoot toad Articles · #77225
  80. Plains, Georgia Articles · #77221
  81. Plains, Kansas — small High Plains city known for its wide main street Plains, Kansas Articles · #77223
  82. Plains, Pennsylvania (Plains CDP, Luzerne County) Plains, Pennsylvania Articles · #77224
  83. Plains, Texas Articles · #144255
  84. Plaintext (information before encryption) Plaintext Articles · #77226
  85. Plaintiff: the party who initiates a civil action Plaintiff Articles · #77227
  86. Plainview, Texas Articles · #77228
  87. Plainville, Kansas Articles · #77229
  88. Plainville, Massachusetts Articles · #144258
  89. Plamen Oresharski — Bulgarian economist and former prime minister Plamen Oresharski Articles · #128810
  90. Plan 9 from Bell Labs Articles · #77230
  91. Plan 9 from Outer Space — 1959 cult science-fiction film by Ed Wood Plan 9 from Outer Space Articles · #77231
  92. Plan B (Ben Drew) — English musician, rapper and actor Plan B (musician) Articles · #77232
  93. Plan view (top view) in orthographic projection Plan view Articles · #77236
  94. Plan-d'Orgon Articles · #77234
  95. Plan-de-Cuques: commune in Bouches-du-Rhône, southern France Plan-de-Cuques Articles · #77233
  96. Plan-les-Ouates: municipality in the canton of Geneva, Switzerland Plan-les-Ouates Articles · #77235
  97. Planaria — freshwater flatworms noted for simple bodies and regeneration Planaria Articles · #77237
  98. Planck (spacecraft) Articles · #77242
  99. Planck constant It is named after the physicist Max Planck Articles · #77238
  100. Planck epoch — the universe’s earliest quantum-dominated era Planck epoch Articles · #77239
  101. Planck length — the fundamental quantum of length Planck length Articles · #77240
  102. Planck mass Articles · #77241
  103. Planck time Articles · #77243
  104. Planck units: the natural system of measurement defined by fundamental constants Planck units Articles · #77244
  105. Planck's law — spectral distribution of blackbody radiation Planck's law Articles · #77245
  106. Plane (flat surface, aircraft, woodworking tool and other meanings) Plane Articles · #77250
  107. Plane (mathematics) Articles · #77246
  108. Plane (woodworking tool) Plane (tool) Articles · #77248
  109. Plane Stupid — UK direct-action campaign against airport expansion Plane Stupid Articles · #77247
  110. Plane wave Articles · #77249
  111. Planes (2013 film) Planes (movie) Articles · #77251
  112. Planes, Trains and Automobiles (1987 film) Planes, Trains and Automobiles Articles · #77252
  113. Planet large object such as Venus or Earth that orbits a star Articles · #77256
  114. Planet 51 — 2009 Computer-Animated Science-Fiction Comedy Planet 51 Articles · #144261
  115. Planet of Exile Articles · #77253
  116. Planet of the Apes (1968 film) Planet of the Apes (1968 movie) Articles · #144262
  117. Planet of the Apes (2001 film) Planet of the Apes (2001 movie) Articles · #144263
  118. Planet Sheen (TV series) Planet Sheen Articles · #77255
  119. Planetarium: domes, projection systems, uses and terminology Planetarium Articles · #77257
  120. Planetary core: composition, structure, and role within planets Planetary core Articles · #77258
  121. Planetary geology: the study of otherworldly rocks, surfaces, and processes Planetary geology Articles · #77259
  122. Planetary nebula: glowing shells from dying low- and intermediate-mass stars Planetary nebula Articles · #77260
  123. Planetary ring Articles · #77261
  124. Planetary science: study of planets, their systems, and processes Planetary science Articles · #77262
  125. Planetary system: structure, discovery, and significance Planetary system Articles · #77263
  126. Planetesimal Articles · #77264
  127. Planets beyond Neptune Articles · #77265
  128. Planetshine — illumination of a moon by light reflected from its planet Planetshine Articles · #77266
  129. Planform (plan view): definition and aircraft wing shapes Planform Articles · #77267
  130. Planken — small mountain village and municipality in Liechtenstein Planken Articles · #77268
  131. Plankinton, South Dakota — city and county seat of Aurora County Plankinton, South Dakota Articles · #144264
  132. Plankton: drifting life in the sunlit oceans Plankton Articles · #77269
  133. Planned Parenthood: U.S. reproductive health provider and advocacy organization Planned Parenthood Articles · #77270
  134. Planning: principles, processes, and practical applications Planning Articles · #77271
  135. Plano, Illinois Articles · #77272
  136. Plano, Iowa Articles · #77273
  137. Plano, Texas Articles · #77274
  138. Planococcaceae: family of Gram-positive bacteria Planococcaceae Articles · #77275
  139. Planquery — a commune in Calvados, Normandy, France Planquery Articles · #77276
  140. Planques — a rural commune in Pas-de-Calais, northern France Planques Articles · #77277
  141. Plans (drawings): definition, types, and uses Plans (drawings) Articles · #77278
  142. Plants: their biology, structure, diversity and human uses Plant Articles · #77292
  143. Plant anatomy: internal structure, tissues, and methods Plant anatomy Articles · #77279
  144. Plant breeding: principles, methods, history and societal importance Plant breeding Articles · #77280
  145. Plant cell: structure, functions, and distinguishing features Plant cell Articles · #77281
  146. Plant City, Florida — overview, history, and community highlights Plant City, Florida Articles · #77282
  147. Plant community Articles · #77283
  148. Plant cutting — vegetative propagation by cuttings Plant cutting Articles · #77284
  149. Plant hormone (phytohormone): roles, types, and significance Plant hormone Articles · #77285
  150. Plant Morphology — Study of Plant Form, Structure, and Development Plant morphology Articles · #77286
  151. Plant pathology (phytopathology) Plant pathology Articles · #77287
  152. Plant physiology: functions, processes, and applications Plant physiology Articles · #77288
  153. Plant propagation: methods, uses, and practical guidance Plant propagation Articles · #77289
  154. Plant sap: composition, transport, functions, and distinctions Plant sap Articles · #77290
  155. Plant Stem: Structure, Function, and Types of Above- and Below-Ground Stems Plant stem Articles · #77291
  156. Plantaginaceae — the plantain family Plantaginaceae Articles · #77293
  157. Plantain (cooking banana): botany, uses, history and cultivation Plantain Articles · #77294
  158. Plantation: large-scale specialized agriculture and its impacts Plantation Articles · #77299
  159. Plantation Key (Florida) — Island in the Upper Florida Keys Plantation Key Articles · #77297
  160. Plantation of Ulster Articles · #77298
  161. Plantation, Florida Articles · #77295
  162. Plantation, Kentucky Articles · #77296
  163. Planthopper (Fulgoromorpha): appearance, life cycle, ecology, and importance Planthopper Articles · #77300
  164. Planzolles — a rural commune in Ardèche, France Planzolles Articles · #77301
  165. Plaque: flat objects, biological films, and arterial deposits Plaque Articles · #77302
  166. Plaquemine, Louisiana Articles · #77303
  167. Plaquemines Parish, Louisiana Articles · #77304
  168. Plasma (ionized matter and related concepts) Plasma Articles · #77309
  169. Plasma (physics): the ionized state of matter and its properties Plasma (physics) Articles · #77307
  170. Plasma display panel (PDP) Plasma display Articles · #77305
  171. Plasma lamp (plasma globe) Plasma lamp Articles · #77306
  172. Plasma window: a magnetically confined plasma interface between vacuum and atmosphere Plasma window Articles · #77308
  173. Plasmid — extrachromosomal DNA elements, biology and applications Plasmid Articles · #77310
  174. Plasmodesma: plant cell intercellular channels Plasmodesma Articles · #77311
  175. Plasmodiidae: family of blood parasites including Plasmodium Plasmodiidae Articles · #77312
  176. Plasmodium: genus of malaria-causing parasitic protozoa Plasmodium Articles · #77314
  177. Plasmodium falciparum: biology, disease, and global impact Plasmodium falciparum Articles · #77313
  178. Plassac (Gironde) — commune in southwestern France Plassac, Gironde Articles · #77315
  179. Plasselb (municipality in Fribourg, Switzerland) Plasselb Articles · #77316
  180. Plaster: materials, types, uses and history Plaster Articles · #77317
  181. Plastic: materials, types, history, uses and environmental issues Plastic Articles · #77325
  182. Plastic bag: materials, uses, impacts, and alternatives Plastic bag Articles · #144272
  183. Plastic explosives: composition, uses, history and safety Plastic explosives Articles · #77318
  184. Plastic Man (Patrick 'Eel' O'Brian) Plastic Man Articles · #77319
  185. Plastic Ono Band — Conceptual rock collective founded by Yoko Ono and John Lennon Plastic Ono Band Articles · #77320
  186. Plastic pollution: causes, impacts, and responses Plastic pollution Articles · #77321
  187. Plastic surgery: reconstructive and cosmetic procedures, techniques, and considerations Plastic surgery Articles · #77323
  188. Plastic Surgery Disasters Articles · #77322
  189. Plastic wrap (cling film): materials, uses, history and environmental issues Plastic wrap Articles · #77324
  190. Plastid (plant and algal organelle) Plastid Articles · #77326
  191. Plat (land map used in subdivision and property records) Plat Articles · #77327
  192. Platanaceae — the plane‑tree family (Platanus) Platanaceae Articles · #77328
  193. Platanus (plane trees): description, distribution, uses and threats Platanus Articles · #77330
  194. Platanus orientalis — the Oriental plane (chenar) Platanus orientalis Articles · #77329
  195. Plate (tableware and tectonic plate) Plate Articles · #77336
  196. Plate armour: construction, history, and uses Plate armour Articles · #77331
  197. Plate block (philately) Plate block Articles · #77332
  198. Plate boundary Articles · #77333
  199. Plate reader (microplate reader) Plate reader Articles · #77334
  200. Plate tectonics: the structure, processes, and effects of Earth's moving plates Plate tectonics Articles · #77335
  201. Plateau (Geography): Elevated Flatlands, Types, Formation, and Uses Plateau Articles · #77341
  202. Plateau d'Hauteville: commune nouvelle in Ain, eastern France Plateau d'Hauteville Articles · #77340
  203. Plateau de Diesse (municipality in Bern, Switzerland) Plateau de Diesse Articles · #77338
  204. Plateau Department (Benin) Plateau Department Articles · #77339
  205. Plateau-Central Region (Burkina Faso) Plateau-Central Region Articles · #77337
  206. Plateaux Department (Republic of the Congo) Articles · #77342
  207. Plateaux Region, Togo Articles · #77343
  208. Platelet (thrombocyte): structure, function, and clinical importance Platelet Articles · #77344
  209. Plateosauridae (Prosauropods): Early Sauropodomorph Dinosaurs Plateosauridae Articles · #77345
  210. Plateosaurus — Late Triassic prosauropod dinosaur Plateosaurus Articles · #77346
  211. Platform Articles · #77349
  212. Platform game (platformer) Platform game Articles · #77347
  213. Platform shoe Articles · #77348
  214. Plating: metal surface coatings — methods, history, and applications Plating Articles · #77350
  215. Platinum (chemical element and metal) Platinum Articles · #77353
  216. Platinum Range (PlayStation budget re-release label) Platinum Range Articles · #77352
  217. Platinum, Alaska Articles · #77351
  218. Plato: Athenian philosopher and founder of the Academy Plato Articles · #77354
  219. Platonic (relating to Plato, his philosophy, and derived uses) Platonic Articles · #77359
  220. Platonic crystal: periodic plate structures that control flexural (bending) waves Platonic crystal Articles · #77355
  221. Platonic love: non-sexual affection and its origins Platonic love Articles · #77356
  222. Platonic realism Articles · #77357
  223. Platonic Solids: The Five Regular Convex Polyhedra Platonic solid Articles · #77358
  224. Platoon (military unit) Platoon Articles · #77361
  225. Platoon (1986 film) Platoon (movie) Articles · #77360
  226. Plats (commune in Ardèche, France) Plats Articles · #77362
  227. Platt Amendment (1901) and its impact on U.S.–Cuba relations Platt Amendment Articles · #77363
  228. Platte City, Missouri Articles · #77364
  229. Platte County, Missouri — Overview, History, and Key Facts Platte County, Missouri Articles · #77365
  230. Platte County, Nebraska — overview, history, geography, and local features Platte County, Nebraska Articles · #77366
  231. Platte County, Wyoming — overview, geography, history, and communities Platte County, Wyoming Articles · #77367
  232. Platte River Articles · #77368
  233. Plattsburg, Missouri — county seat of Clinton County in the Kansas City area Plattsburg, Missouri Articles · #77369
  234. Plattsburgh, New York Articles · #77370
  235. Plattsmouth, Nebraska — county seat on the Missouri River Plattsmouth, Nebraska Articles · #77371
  236. Platy (Xiphophorus): small tropical livebearing aquarium fish Platy Articles · #77372
  237. Platybelodon — the shovel‑tusked gomphothere Platybelodon Articles · #77373
  238. Platypterygius: a Cretaceous ichthyosaur genus Platypterygius Articles · #77374
  239. Platypus (Ornithorhynchus anatinus) Platypus Articles · #77375
  240. Platyzoa: a proposed assemblage of small and flat-bodied protostomes Platyzoa Articles · #77376
  241. Plauen — City of the Vogtland in Saxony, Germany Plauen Articles · #77377
  242. Plautus — Roman comic playwright (Titus Macchius Plautus) Plautus Articles · #77378
  243. Plavilla — small commune in Aude, Occitanie, southern France Plavilla Articles · #77379
  244. Pļaviņas (Latvia) Pļaviņas Articles · #77380
  245. Plaxton Beaver minibus Plaxton Beaver Articles · #77381
  246. Play (behavior, arts, and actions) Play Articles · #77392
  247. Play (behavioral activity) Play (activity) Articles · #77383
  248. Play (Moby album) Play (album) Articles · #77384
  249. Play (theatre): form, genres, history and production Play (theatre) Articles · #77389
  250. Play It Again, Sam (1972 film) Play It Again, Sam (movie) Articles · #144281
  251. Play It Loud (Slade album) Play It Loud Articles · #77386
  252. Play My Music (Jonas Brothers song) Play My Music Articles · #77387
  253. Play of the Month (BBC television anthology series) Play of the Month Articles · #77388
  254. Play therapy: principles, methods, uses, and professional practice Play therapy Articles · #77390
  255. Play with Me Sesame — children's series derived from Sesame Street Play with Me Sesame Articles · #77391
  256. Playaz Circle Articles · #77393
  257. Playback singer: role, history and cultural significance Playback singer Articles · #77394
  258. Playboy: American men's magazine and cultural brand Playboy Articles · #77395
  259. Player character (PC) Player character Articles · #77396
  260. Player killing (PKing): definition, mechanics, history, and social impact Player killing Articles · #77398
  261. Player‑coach: dual role of athlete and coach in team sports Player-coach Articles · #77397
  262. Playford: village and civil parish in Suffolk, England Playford Articles · #77399
  263. Playground: design, equipment, safety, history and benefits Playground Articles · #77401
  264. Playground slide Articles · #77400
  265. Playing cards Playing card Articles · #77402
  266. Playing for Pizza — John Grisham's sports novel Playing for Pizza Articles · #77403
  267. Playing the Field (2012 film) Playing the Field Articles · #77404
  268. Playoffs (sports postseason) Playoffs Articles · #77405
  269. PlayStation (PS1) — Sony's first home video game console and its legacy PlayStation Articles · #77418
  270. PlayStation 2 (PS2) PlayStation 2 Articles · #77406
  271. PlayStation 3 (PS3): overview, hardware, models and legacy PlayStation 3 Articles · #77407
  272. PlayStation 4 (PS4): Overview, Hardware, Software, and Legacy PlayStation 4 Articles · #77408
  273. PlayStation 5 (PS5): Sony's fifth-generation home video game console PlayStation 5 Articles · #77409
  274. PlayStation All-Stars Battle Royale crossover fighting video game for the PlayStation Articles · #77410
  275. PlayStation Eye (PlayStation 3 camera peripheral) PlayStation Eye Articles · #77411
  276. PlayStation Move Articles · #77412
  277. PlayStation Network Articles · #77413
  278. PlayStation Portable (PSP): Sony’s first disc-based handheld console PlayStation Portable Articles · #77415
  279. PlayStation Portable system software (PSP firmware) PlayStation Portable system software Articles · #77414
  280. PlayStation Store Articles · #77416
  281. PlayStation Vita (PS Vita) PlayStation Vita Articles · #77417
  282. Playtime Is Over (mixtape) — Nicki Minaj's 2007 debut Playtime Is Over (mixtape) Articles · #144280
  283. Playwright: the craft of writing for the stage Playwright Articles · #77420
  284. Plaza: public square, urban open space and civic center Plaza Articles · #77423
  285. Plaza 440 — 49‑story residential condominium in downtown Chicago Plaza 440 Articles · #77421
  286. Plaza Mayor (Madrid) Plaza Mayor of Madrid Articles · #77422
  287. Plaza Suite (1971 film) Plaza Suite Articles · #144282
  288. Pleading (civil procedure) Pleading Articles · #77424
  289. Pleasant Grove, Alabama Articles · #77425
  290. Pleasant Groves, Alabama Articles · #77426
  291. Pleasant Hill, Illinois Articles · #77427
  292. Pleasant Hill, Iowa: Overview, History, and Community Pleasant Hill, Iowa Articles · #77428
  293. Pleasant Hill, Sabine Parish, Louisiana Articles · #77429
  294. Pleasant Plain, Iowa Articles · #77430
  295. Pleasant Valley (census-designated place), Dutchess County, New York Pleasant Valley (CDP), New York Articles · #77431
  296. Pleasant Valley (town), Dutchess County, New York Pleasant Valley (town), New York Articles · #77432
  297. Pleasanton, California Articles · #77433
  298. Pleasanton, Iowa: a concise overview of a small Midwestern city Pleasanton, Iowa Articles · #77434
  299. Pleasants County, West Virginia — overview, history, and features Pleasants County, West Virginia Articles · #144284
  300. Pleasantville, Iowa — small city in Marion County Pleasantville, Iowa Articles · #77435