Search by letter: P
Search by letter
Search by letter: P
- Pelophryne (flathead toads): overview of the Southeast Asian true toad genus Pelophryne
- Peloponnese: geography, history and cultural significance Peloponnese
- Peloponnesian War (431–404 BC): Athens versus Sparta Peloponnesian War
- Pelops: Hero of Greek Myth and Progenitor of the House of Atreus Pelops
- Pelorosaurus — fragmentary brachiosaurian sauropod of the Early Cretaceous Pelorosaurus
- Pelt (municipality)
- Pelves (commune in Pas-de-Calais, France) Pelves
- Pelvic inflammatory disease (PID) Pelvic inflammatory disease
- Pelvis (human anatomy): structure, function and development Pelvis
- Pelycosaurs: early synapsids that preceded therapsids and mammals Pelycosaur
- Pemagatshel District, Bhutan Pemagatshel District
- Pembina County, North Dakota: location, history, and community Pembina County, North Dakota
- Pembroke College, Cambridge: history, architecture, and academic life Pembroke College, Cambridge
- Pembroke College, Oxford
- Pembroke Pines, Florida
- Pembroke, Georgia — county seat and small city in Bryan County Pembroke, Georgia
- Pembroke, Kentucky
- Pembroke, Maine
- Pembroke, Virginia
- Pembrokeshire
- Pembrokeshire Coast Path
- Pemiscot County, Missouri — overview, geography, history and economy Pemiscot County, Missouri
- Pen: history, types, components, uses, and cultural significance Pen
- Pen name (pseudonym) Pen name
- PEN Oakland/Josephine Miles Literary Award PEN Oakland awards
- Pen y Fan — highest peak in South Wales Pen y Fan
- Penal colony: definition, features, history and legacy Penal colony
- Penalty (punishment, sanction, and sporting rule) Penalty
- Penalty (ice hockey)
- Penalty kick (association football) Penalty kick
- Penalty shootout (association football) Penalty shootout
- Penance: Repentance and the Christian Sacrament of Reconciliation Penance
- Penang (Pulau Pinang) — Malaysian state, island and cultural crossroads Penang
- Club Atlético Peñarol — Uruguayan football club with continental legacy Peñarol
- Pencil: Construction, Types, History and Uses Pencil
- Pend Oreille County, Washington
- Penda of Mercia: 7th-century king and rival of Northumbria Penda of Mercia
- Pendant (jewelry) Pendant
- Pender County, North Carolina
- Pendjari National Park
- Pendleton County, Kentucky
- Pendleton County, West Virginia: overview, geography, history, and attractions Pendleton County, West Virginia
- Pendleton Ward: Animator and Creator of Adventure Time Pendleton Ward
- Pendleton, Oregon
- Pendulum: motion, parts, formula, history and applications Pendulum
- Pendulum (drum and bass band)
- Pendulum (1969 film) Pendulum (movie)
- Pendulum clock: mechanism, history, and uses Pendulum clock
- Penelope: Wife of Odysseus and enduring symbol of fidelity Penelope
- Penelope (2006 film) Penelope (movie)
- Penelope Ann Miller
- Penélope Cruz: Spanish Actress and International Film Star Penélope Cruz
- Penelope Lively — English novelist and author for children and adults Penelope Lively
- Penelope Wilton
- Penetration power (projectiles and barriers) Penetration power
- Penetrometer: instrument for measuring material resistance Penetrometer
- Peney-le-Jorat (former municipality in Vaud, Switzerland) Peney-le-Jorat
- Peng Kang Hill MRT station (JW5) — Jurong Region Line terminus Peng Kang Hill MRT station
- Peng Xiaolian: Chinese Film Director, Screenwriter and Author Peng Xiaolian
- Penghu (Pescadores) — islands of the Taiwan Strait Penghu
- Penguin
- The Penguin (Oswald Cobblepot) — Batman villain and Gotham crime lord Penguin (comics)
- Penguins of Madagascar (2014) — overview, characters, and legacy Penguins of Madagascar
- Penicillin: discovery, properties, uses, resistance and safety Penicillin
- Penicillium — overview, biology, uses and significance Penicillium
- Penile cancer: overview, causes, diagnosis, and treatment Penile cancer
- Penin, a commune in Pas-de-Calais, northern France Penin
- Peningi — village in Raasiku Parish, Harju County, Estonia Peningi
- Peninsula: land surrounded by water on three sides Peninsula
- Peninsula Campaign (March–July 1862): Union advance on Richmond Peninsula Campaign
- Peninsular War (1807–1814): Conflict on the Iberian Peninsula Peninsular War
- Penis: structure, function, and variation across animals Penis
- Peñitas, Texas Penitas, Texas
- Penjing — the Chinese art of miniature landscape and container trees Penjing
- Penn Badgley — American actor and musician Penn Badgley
- Penn Jillette: Magician, Entertainer, and Public Advocate Penn Jillette
- Pennacook (Pawtucket): Indigenous people of the Merrimack River region Pennacook
- Pennagaram taluk, Dharmapuri district, Tamil Nadu Pennagaram taluk
- Pennant Hills, New South Wales: suburb overview, history and amenities Pennant Hills, New South Wales
- Pennautier — commune in Aude, Occitanie, France Pennautier
- Pennedepie — commune in Calvados, Normandy Pennedepie
- Pennine Alps: High Glaciated Range on the Switzerland–Italy Border Pennine Alps
- Pennines: the upland spine of northern England Pennines
- Pennington County, Minnesota
- Pennington County, South Dakota — Rapid City and the Black Hills Pennington County, South Dakota
- Pennington Gap, Virginia
- Penns Grove, New Jersey — Overview, Geography, History and Community Penns Grove, New Jersey
- Pennsauken Township, New Jersey
- Pennsylvania (U.S. state) Pennsylvania
- Pennsylvania Academy of the Fine Arts
- Pennsylvania Bar Association: voluntary professional organization for Pennsylvania lawyers Pennsylvania Bar Association
- Pennsylvania German (Pennsylvania Dutch) language Pennsylvania German language
- Pennsylvania Prison Society
- Pennsylvania rifle (Kentucky rifle): design, history, and legacy Pennsylvania rifle
- Pennsylvania Route 274
- Pennsylvania Route 82
- Pennsylvania School for the Deaf
- Pennsylvania State System of Higher Education (PASSHE) Pennsylvania State System of Higher Education
- Pennsylvania State University (Penn State) Pennsylvania State University
- Pennsylvania Station (Penn Station): overview of the U.S. railway name Pennsylvania Station
- Pennsylvania Station (New York City)
- Pennsylvania Turnpike toll road
- Pennsylvanian: the Upper Carboniferous epoch in North America Pennsylvanian
- Penny (coin) Penny
- Penny (supermarket)
- Penny Arcade
- Penny Arcade Expo (PAX): overview of the gaming festival series Penny Arcade Expo
- Penny Black — the world's first adhesive postage stamp Penny Black
- Penny Chenery — American racehorse owner and breeder, owner of Secretariat Penny Chenery
- Penny Hardaway: Career, playing style, and legacy Penny Hardaway
- Penny Lilac (British one‑penny postage stamp) Penny Lilac
- Penny Marshall
- Penny Mordaunt
- Penny Pritzker
- Penny Red
- Penny (British coin) Penny sterling
- Penelope (Penny) Vincenzi Penny Vincenzi
- Penelope "Penny" Whetton — Australian climatologist (1958–2019) Penny Whetton
- Pennyroyal (Mentha pulegium): description, history, uses and safety Pennyroyal
- Pennywise (American punk band) Pennywise
- Pennzoil 400 (Las Vegas Motor Speedway) Pennzoil 400 (Las Vegas)
- Penobscot County, Maine
- Penrith, Cumbria Penrith
- Penrith Panthers (Australian rugby league club) Penrith Panthers
- Pensacola Christian College
- Pensacola, Florida — Gulf Coast city and regional center Pensacola, Florida
- Penshurst, New South Wales
- Pension: Retirement Income, Plan Types, Funding and Policy Pension
- Pentaceratops
- Pentachoron (4‑simplex) — the regular 5‑cell of four‑dimensional space Pentachoron
- Pentacontagon (50-sided polygon) Pentacontagon
- Pentadecagon (15-sided polygon) Pentadecagon
- Pentaerythritol tetranitrate (PETN) Pentaerythritol tetranitrate
- Pentagon: five-sided polygon — geometry, forms, and uses Pentagon
- Pentagon bus station (Chatham, Kent) Pentagon bus station
- Pentagon Force Protection Agency
- Pentagon Papers: the Vietnam study that reshaped U.S. public debate Pentagon Papers
- Pentagon Shopping Centre, Chatham Pentagon Shopping Centre
- Pentagram
- Pentahedron: Polyhedron with Five Faces Pentahedron
- Pentamerone (Lo cunto de li cunti): Basile's Seventeenth‑Century Tale Collection Pentamerone
- Pentane: properties, isomers, uses and safety Pentane
- Pentaport Rock Festival (Incheon) Pentaport Rock Festival
- Pentathletes (Carpenter Painter) — Attic drinking cup, c. 510–500 BC Pentathletes (Carpenter Painter)
- Pentathlon
- Pentatomidae: the stink bug family Pentatomidae
- Pentatomoidea: shield bugs and stink bugs — overview, traits, and importance Pentatomoidea
- Pentatonic scale: definition, forms, history, and musical uses Pentatonic scale
- Pentecost: Christian feast commemorating the Holy Spirit and the birth of the Church Pentecost
- Pentecostalism: Beliefs, History, and Global Influence Pentecostalism
- Pentene (C5H10): isomers, properties and industrial uses Pentene
- Penthalaz — municipality in the Gros-de-Vaud district, Canton of Vaud Penthalaz
- Penthaz — municipality in the Gros-de-Vaud region of Vaud, Switzerland Penthaz
- Penthéréaz — Municipality in the Gros-de-Vaud district, Canton of Vaud Penthéréaz
- Penthesilea — Amazon queen and warrior in Greek mythology Penthesilea
- Penthouse (top-floor apartment and rooftop structure) Penthouse
- Pentium — Intel x86 microprocessor brand and product family Pentium
- Intel Pentium 4 Pentium 4
- Pentlow, Essex (village and civil parish) Pentlow
- Pentomino: the five-square polyomino and its puzzles Pentomino
- Pentre Ifan: Neolithic Dolmen of Pembrokeshire Pentre Ifan
- Pentti Holappa: Finnish poet, novelist, translator and cultural minister Pentti Holappa
- Pentti Linkola: Finnish deep ecologist, naturalist and controversial thinker Pentti Linkola
- Pentti Lund: Finnish-Canadian NHL Right Winger and Calder Trophy Winner Pentti Lund
- Pentti Tiusanen (1949–2018) Pentti Tiusanen
- Penza, Russia — regional centre of Penza Oblast Penza
- Penza Oblast
- Penzance, Cornwall: port town at England's western edge Penzance
- Péone — mountain commune in Alpes‑Maritimes, Provence‑Alpes‑Côte d'Azur Péone
- Peony (Paeonia): botany, cultivation and cultural importance Peony
- People (magazine)
- People Before Profit (Ireland and Northern Ireland) People Before Profit
- People en Español
- People First Party (Taiwan)
- People for the Ethical Treatment of Animals (PETA) People for the Ethical Treatment of Animals
- People in Need (Člověk v tísni) — Czech humanitarian and human rights NGO People In Need
- People of the Book (Ahl al-Kitāb) People of the Book
- People of the Dominican Republic
- People Power Revolution (EDSA Revolution) — Philippines 1986 People Power Revolution
- People v. Jackson (2005) — Criminal trial of Michael Jackson People v. Jackson
- People Will Talk (1951 film) People Will Talk
- People-watching
- People's Alliance for Democracy (PAD) People's Alliance for Democracy
- People's Artist of the Russian Federation People's Artist of Russia
- People's Choice Awards — history, format, and cultural significance People's Choice Awards
- People's Liberation Army (PLA) People's Liberation Army
- People's Park (Berkeley)
- People's Party (United States, 1971)
- People's Party (United States) — the Populist movement of the 1890s People's Party (United States)
- People's Party for Freedom and Democracy (VVD) People's Party for Freedom and Democracy
- People's Party of Canada (PPC) People's Party of Canada
- People's Provincial Assembly (Algeria) People's Provincial Assembly
- People's Republic (political designation) People's Republic
- People's Republic of Benin (1975–1990) People's Republic of Benin
- People's Republic of China one-party state in East Asia governed by the Chinese Communist Party
- People's Summit (U.S. progressive conference) People's Summit
- People's Sunday (Malta) — Lenten pilgrimage to Żabbar People's Sunday
- Peoples Temple and the Jonestown tragedy Peoples Temple
- Peoria County, Illinois
- Peoria Heights, Illinois
- Peoria people (Peouaroua) Peoria people
- Peoria Rivermen (AHL) Peoria Rivermen
- Peoria, Arizona
- Peoria, Illinois: River City, Industry, and Regional Culture Peoria, Illinois
- Peoria, Oklahoma
- Peosta, Iowa
- Peotone, Illinois: small village in Will County and its role in the South Suburbs Peotone, Illinois
- Pepe (footballer, born 1983)
- Pepe (1960) — Mexican–American musical comedy film Pepe (movie)
- Pepe Eliaschev (José Ricardo Eliaschev) Pepe Eliaschev
- Pepe le Pew
- Pepe Oneto — Spanish political journalist and editor Pepe Oneto
- Pepe Smith — Filipino rock singer, songwriter and guitarist Pepe Smith
- Pépieux — Commune in Aude, Occitanie (southern France) Pépieux
- Pepin County, Wisconsin
- Pepin I of Aquitaine
- Pepin the Short: Carolingian King and Founder of Papal Alliance Pepin the Short
- Pepingen (Flemish Brabant, Belgium) Pepingen
- Pepinster — Municipality in the province of Liège, Belgium Pepinster
- Peppa Pig: British preschool animated series and cultural phenomenon Peppa Pig
- Pepper: Capsicum, Piper, and other plants called 'pepper' Pepper
- Pepper Pike, Ohio
- Pepper spray (OC) — uses, effects, history and legal considerations Pepper spray
- Peppered moth (Biston betularia) Peppered moth
- Peppered moth evolution: industrial melanism, genetics, and scientific significance Peppered moth evolution
- Peppermint (Mentha × piperita) Peppermint
- Pepperoni: American-style cured sausage used as a pizza topping Pepperoni
- Pepsi
- PepsiCo
- Pepsin: the principal gastric protease Pepsin
- Peptic ulcer: causes, symptoms, diagnosis and treatment Peptic ulcer
- Peptide (biochemistry): short amino‑acid chains, structure and uses Peptide
- Peptide bond (amide linkage between amino acids) Peptide bond
- Peqin District — overview, geography, history and local features Peqin District
- Peque Gallaga — Filipino film director, screenwriter and actor Peque Gallaga
- Pequot War (mid-1630s) Pequot War
- Per Ahlmark
- Per Albin Hansson
- Per Almar Aas (1929–2014) Per Almar Aas
- Per aspera ad astra
- Per Capita Income: Definition, Calculation, Uses and Limitations Per capita income
- Per curiam decision
- Per Fugelli: Norwegian physician, public health advocate and writer Per Fugelli
- Per Gessle: Swedish singer-songwriter, guitarist and co-founder of Roxette Per Gessle
- Per Jacobsson
- Per Jorsett — Norwegian sports journalist, historian and shooter Per Jorsett
- Per Lillo-Stenberg — Norwegian actor (1928–2014) Per Lillo-Stenberg
- Per Mertesacker — German centre-back, Arsenal captain and academy leader Per Mertesacker
- Per mille (‰): meaning, notation, history and common uses Per mille
- Per Olov Enquist
- Per Theodor Haugen: Norwegian stage and film actor (1932–2018) Per Theodor Haugen
- Per Wahlöö — Swedish crime writer and co-creator of Martin Beck Per Wahlöö
- Per-Bast (Bubastis): the House of the Cat-Goddess Bast Per-Bast
- Per-Olof Åstrand — Swedish pioneer of exercise physiology Per-Olof Åstrand
- Perak: Malaysian state of tin, limestone karsts and royal heritage Perak
- Perambalur (Tamil Nadu) — town and district headquarters Perambalur
- Perambalur district, Tamil Nadu Perambalur district
- Perambalur taluk: administration, geography, and local significance Perambalur taluk
- Perambur taluk — administrative subdivision of Chennai, Tamil Nadu Perambur taluk
- Peramelemorphia: bandicoots, bilbies and related marsupials Peramelemorphia
- Peravia Province (Dominican Republic) Peravia Province
- Peray — commune in Sarthe, Pays de la Loire, France Peray
- Perbromate (BrO4−): properties, preparation and significance Perbromate
- Perbromic acid (HBrO4): properties, preparation and safety Perbromic acid
- Perceneige (commune in Yonne, France) Perceneige
- Percentage (percent) — definition, calculation, and common uses Percentage
- Percentile (statistics) — definition, calculation, uses, and distinctions Percentile
- Perception (psychology and cognitive science) Perception
- Perceptual psychology
- Percey (Yonne) — commune in Bourgogne-Franche-Comté, France Percey
- Perch (Perca): freshwater fish—anatomy, behavior, and human importance Perch
- Perch Zeytuntsyan
- Perchlorate (ClO4−): chemistry, uses, health and environmental issues Perchlorate
- Perchloric acid (HClO4): properties, production, uses, and hazards Perchloric acid
- Perciformes: the perch-like fishes Perciformes
- Percival (Sir Percival) — Knight of the Round Table and Grail Seeker Percival
- Percival Lowell
- Percussion instrument
- Percy Bysshe Shelley: Life, Works, and Influence Percy Bysshe Shelley
- Percy Freeman (English footballer) Percy Freeman
- Percy Heath: American Jazz Bassist and Longtime Member of the Modern Jazz Quartet Percy Heath
- Percy Jackson (fictional character) Percy Jackson
- Percy Jackson & the Olympians — Young adult fantasy series by Rick Riordan Percy Jackson & the Olympians
- Percy Lavon Julian
- Percy Sledge — American soul singer, voice of 'When a Man Loves a Woman' Percy Sledge
- Percy Spencer: Inventor of the Microwave Oven Percy Spencer
- Percy-en-Auge — former commune in Calvados, Normandy Percy-en-Auge
- Perdasdefogu (Foghèsu): a hill town and comune in Nuoro, Sardinia Perdasdefogu
- Perdaxius — Town and Comune in Sud Sardegna, Sardinia Perdaxius
- Perdita — inner moon of Uranus Perdita (moon)
- Père David's deer (Milu) Père David's deer
- Pere Tàpias: Catalan radio presenter and food writer Pere Tàpias
- Peregrine falcon: global raptor known for high-speed hunting Peregrine falcon
- Peregrine White — first English child born aboard the Mayflower Peregrine White
- Perennial (plant): Definition, Life Cycle, Types and Uses Perennial
- Perennial stream — year‑round flowing watercourses and their ecology Perennial stream
- Perestroika: Soviet restructuring and reform under Mikhail Gorbachev Perestroika
- Peret (Pedro Pubill Calaf): Pioneer of Catalan rumba Peret
- Péreyres — commune in Ardèche, Auvergne-Rhône-Alpes, France Péreyres
- Perez Hilton: American celebrity blogger and media personality Perez Hilton