Search by letter: A
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Search by letter: A
- Antonio Pons Campuzano — Acting President of Ecuador (August–September 1935) Antonio Pons
- Antonio Prohias, creator of Spy vs. Spy Antonio Prohias
- Antonio Puerta — Spanish footballer (1984–2007) Antonio Puerta
- Antonio Pujía: Italian-born Argentine Sculptor (1929–2018) Antonio Pujía
- António Ramalho Eanes (Portuguese general and president) António Ramalho Eanes
- Antonio Rastrelli (1927–2019) — Italian politician and lawyer Antonio Rastrelli
- Antonio Riboldi — Italian Bishop and Rosminian Prelate (1923–2017) Antonio Riboldi
- Elías Antonio 'Tony' Saca — Salvadoran businessman and president (2004–2009) Antonio Saca
- Antonio Salandra: Italian Prime Minister and wartime statesman Antonio Salandra
- Antonio Tajani — Italian politician and European official Antonio Tajani
- Antonio Tejero — Spanish Civil Guard officer and leader of the 1981 coup attempt Antonio Tejero
- Antonio Toledo Corro — Mexican politician and Governor of Sinaloa Antonio Toledo Corro
- Antonio de Torres Jurado — Father of the Modern Classical Guitar Antonio Torres
- Antonio Valencia
- Antonio Valentín Angelillo — Argentine-born Italian football forward Antonio Valentín Angelillo
- Antonio Villaraigosa
- Antonio Vivaldi
- Antonios Nikopolidis — Greek goalkeeper and Euro 2004 winner Antonios Nikopolidis
- Antonis Samaras: Greek politician and former prime minister Antonis Samaras
- Antonis Vardis — Greek composer, songwriter and singer Antonis Vardis
- Antonov An-12 (Cub) — Soviet four-engine turboprop transport Antonov An-12
- Antonov An-124 Ruslan Antonov An-124
- Antonov An-2 — Soviet single-engine biplane utility aircraft (Colt) Antonov An-2
- Antonov An-225 Mriya
- Antonov An-24: Soviet twin‑engined regional transport aircraft Antonov An-24
- Antonov An-26: Soviet twin-turboprop transport aircraft Antonov An-26
- Antonov An-3
- Antonov An-72 — Soviet/Ukrainian STOL transport (NATO: Coaler) Antonov An-72
- Antonov Serial Production Plant
- Antons Justs
- Antony Acland — British diplomat and educator (1930–2021) Antony Acland
- Antony and Cleopatra — Shakespeare's tragic drama of love and power Antony and Cleopatra
- Antony Armstrong-Jones, 1st Earl of Snowdon
- Antony Booth — English actor (1931–2017) Antony Booth
- Antony Costa
- Antony Cotton — English actor known for Coronation Street and Queer as Folk Antony Cotton
- Antony Hewish: British Radio Astronomer and Nobel Laureate Antony Hewish
- Antony Kidman: Australian Psychologist, Academic, and Writer Antony Kidman
- Antony Passage, a riverside hamlet in south‑east Cornwall Antony Passage
- Antony (Hauts-de-Seine) — southern suburb and subprefecture of Paris Antony, Hauts-de-Seine
- Antonym — Word with Opposite Meaning Antonym
- Antraigues-sur-Volane: hillside village in Ardèche, France Antraigues-sur-Volane
- Antrim County, Michigan
- Ants Antson — Estonian speed skater and 1964 Olympic champion Ants Antson
- Antti Hyry
- Antti Niemi (ice hockey goaltender) Antti Niemi (ice hockey)
- Antti Raanta — Finnish professional ice hockey goaltender Antti Raanta
- Antti Rinne: Finnish politician and former prime minister Antti Rinne
- Antugnac: a small commune in the Aude department of southern France Antugnac
- Antwaan Randle El: multi-sport athlete and NFL wide receiver Antwaan Randle El
- Antwerp: Belgian port city, cultural centre, and historic capital Antwerp
- Antwerp Province (Belgium) Antwerp Province
- Antz (1998 film) Antz
- Anu — Sumerian Sky God and King of the Heavens Anu
- Anubis: ancient Egyptian god of embalming, tombs, and the afterlife Anubis
- Anuket — Ancient Egyptian goddess of the Nile at Elephantine and the cataracts Anuket
- Anupam Sen — Bangladeshi academic and social scientist Anupam Sen
- Anupriya Kapoor (Indian television actress) Anupriya Kapoor
- Anura: frogs and toads — biology, diversity, and conservation Anura
- Anurognathus — small insectivorous pterosaur of the Late Jurassic Anurognathus
- Anus (human anatomy and function) Anus
- Anus language — a small Austronesian tongue of West Papua Anus language
- Anushka Sharma
- Anusvara: the Indic nasal diacritic and its functions Anusvara
- Anvar Khamei: Iranian sociologist, economist, journalist and public intellectual Anvar Khamei
- Anvari — 12th‑century Persian poet and scholar Anvari
- Anvik, Alaska: Yukon River community and Deg Hit'an homeland Anvik, Alaska
- Anvil (blacksmith's tool) Anvil
- Anvin — commune in the Pas-de-Calais department of northern France Anvin
- Anwar al-Awlaki: Yemeni–American imam and extremist propagandist Anwar al-Awlaki
- Anwar Hossain — Bangladeshi Photographer and Cinematographer Anwar Hossain (photographer)
- Anwar Ibrahim: Malaysian politician, reform movement leader and prime minister Anwar Ibrahim
- Anwar Kamal Pasha — early Pakistani film director and producer Anwar Kamal Pasha
- Anwar Sadat
- Anwil — municipality in Sissach district, Basel-Landschaft, Switzerland Anwil
- Anxiety: Understanding Causes, Symptoms, and Management Anxiety
- Anxiety disorder: overview, symptoms, causes, and treatment Anxiety disorder
- Anxiolytic: Drugs and Treatments for Anxiety Disorders Anxiolytic
- Any Given Sunday (1999 film) Any Given Sunday
- Any-Martin-Rieux, commune in Aisne (northern France) Any-Martin-Rieux
- Anya Taylor‑Joy: profile of the Argentine‑British actress Anya Taylor-Joy
- Anyang (Henan)
- Anyang, Gyeonggi: city profile and overview Anyang, Gyeonggi
- Anything Else (2003 film) Anything Else
- ANZ Championship — trans‑Tasman netball competition ANZ Championship
- ANZAC Day: History, observance, and significance ANZAC Day
- Anzegem: Municipality in West Flanders, Belgium Anzegem
- Anzère — Swiss mountain village and family ski resort in Valais Anzère
- Anzin-Saint-Aubin (commune in Pas-de-Calais, northern France) Anzin-Saint-Aubin
- Anzoátegui: Venezuelan state of coast, industry and natural parks Anzoátegui
- Anzonico — former municipality in Ticino, Switzerland Anzonico
- Anzu wyliei: North American oviraptorosaur Anzu wyliei
- ANZUS: Australia–New Zealand–United States Security Treaty ANZUS
- Aoede (Jupiter XL I): a small irregular moon of Jupiter Aoede (moon)
- Aoi Festival (Aoi Matsuri) — Kyoto’s Heian-period procession Aoi festival
- Aokigahara — the Sea of Trees at Mount Fuji Aokigahara
- AOL (America Online): History, Services, and Legacy AOL
- Aomori — capital city of Aomori Prefecture, Japan Aomori
- Aomori Prefecture
- Aon Center (name shared by two major U.S. office towers) Aon Center
- Aon Center (Chicago)
- Aortic aneurysm
- Aortic dissection: causes, presentation, diagnosis and management Aortic dissection
- Aosta — Capital of the Aosta Valley in northwestern Italy Aosta
- Aozora Bunko — Japanese digital library of public-domain literature Aozora Bunko
- AP: common meanings, origins, and uses AP
- APA Style: A Guide to Format, Citations, and Manuscript Conventions APA style
- Apache peoples: languages, culture, and history of the Southwest Apache
- Apache County, Arizona: overview, geography, history and communities Apache County, Arizona
- Apache HTTP Server (Apache): open-source web server software Apache HTTP Server
- Apache Indian (Steven Kapur) — British reggae and bhangra fusion artist Apache Indian
- Apache License (software license) Apache License
- Apache Rifles (1964) — American Western film Apache Rifles
- Apache Subversion (SVN): centralized version control system Apache Subversion
- Apache, Oklahoma
- Apalachicola River
- Apalachicola, Florida — coastal city, seafood port, and historic district Apalachicola, Florida
- Apartheid: racial segregation and the system of minority rule in South Africa Apartheid
- Apartment (residential unit) Apartment
- Apate — Greek personification of deceit Apate
- Apathy: Definition, Causes, Symptoms and Clinical Context Apathy
- Apatite (phosphate mineral group) Apatite
- Apatosaurus — Large sauropod of the Late Jurassic Apatosaurus
- Apayao — province in the Cordillera of northern Luzon, Philippines Apayao
- Ape: biology, classification, behavior and conservation Ape
- Ape Escape
- Ape Escape 3: overview, gameplay, release and reception Ape Escape 3
- Ape, Latvia
- Apeldoorn — city in Gelderland, the Netherlands Apeldoorn
- Apele Vii — commune in Dolj County, Romania Apele Vii
- Apennine Mountains (Apennines) Apennine Mountains
- Apep (Apophis): the Chaos Serpent of Ancient Egyptian Myth Apep
- Aperture (optics and photography) Aperture
- Apex (diacritic)
- Apex predator
- Apex, North Carolina
- ApeXtreme — Apex Digital multimedia console ApeXtreme
- APF-M1000
- Apgar score: quick assessment of a newborn's immediate condition Apgar score
- Aphelion — the point in an orbit farthest from the Sun Aphelion
- Aphelion (Image Analysis Software Suite) Aphelion (software)
- Aphex Twin (Richard D. James) — influential electronic musician Aphex Twin
- Aphid: biology, impact on plants, control, and notable facts Aphid
- Aphorism
- Aphra Behn: Restoration writer, playwright, and early professional woman author Aphra Behn
- Aphrodisiac: meaning, history, examples, evidence and safety Aphrodisiac
- Aphrodite: Greek goddess of love, beauty, and procreation Aphrodite
- Aphrodite (Kylie Minogue album) Aphrodite (album)
- Aphroditus — a masculine or hermaphroditic form of Aphrodite Aphroditus
- Apia — capital and principal city of Samoa Apia
- Apiaceae (Umbellifers): the carrot family and its significance Apiaceae
- Apiales: the order of umbels and related flowering plants Apiales
- Apicomplexa: parasitic single-celled organisms with complex life cycles Apicomplexa
- Apisai Ielemia
- APK (Android application package) file format APK (file format)
- Aplacophora: worm‑like, shell‑less molluscs of the deep sea Aplacophora
- Aplastic anemia: causes, symptoms, diagnosis and treatment Aplastic anemia
- Aplington, Iowa: Butler County Farming Community and Local Service Center Aplington, Iowa
- Apna Dal: regional political party of Uttar Pradesh Apna Dal
- Apocalypse: meaning, history, and cultural significance Apocalypse
- Apocalypse Cow (The Simpsons episode) Apocalypse Cow
- Apocalypse Now
- Apocatastasis: the doctrine of universal restoration in philosophy and theology Apocatastasis
- Apocrita: the narrow-waisted suborder of Hymenoptera Apocrita
- Apocrypha: books outside or variably included in Biblical canons Apocrypha
- Apocynaceae — the dogbane and oleander family Apocynaceae
- Apocynum cannabinum (Indian hemp) Apocynum cannabinum
- Apodiformes: swifts, hummingbirds and their specialized flight adaptations Apodiformes
- APOEL FC — major football club from Nicosia, Cyprus APOEL FC
- Apolinar (1972 film) Apolinar
- Apolinario Mabini: Filipino revolutionary leader, lawyer, and statesman Apolinario Mabini
- Apollo (Greek god) — music, prophecy, healing, and the sun Apollo
- Apollo 1: the 1967 Apollo Command Module fire and its impact Apollo 1
- Apollo 10 — Dress Rehearsal for the First Moon Landing Apollo 10
- Apollo 11 (1969) — First Manned Moon Landing Apollo 11
- Apollo 12: NASA's Second Crewed Lunar Landing Mission Apollo 12
- Apollo 13: crippled lunar mission and safe-return by improvisation Apollo 13
- Apollo 13 (1995 film) Apollo 13 (movie)
- Apollo 14: Third Crewed Lunar Landing of the Apollo Program Apollo 14
- Apollo 15 — First Use of the Lunar Rover and an Extended Scientific Mission Apollo 15
- Apollo 16: Fifth Lunar Landing — Descartes Highlands Exploration (1972) Apollo 16
- Apollo 17 — the final crewed lunar landing Apollo 17
- Apollo 4: First Uncrewed Test Flight of the Saturn V Apollo 4
- Apollo 5 — First Uncrewed Test Flight of the Lunar Module Apollo 5
- Apollo 6 — Second Saturn V test and last unmanned Apollo flight Apollo 6
- Apollo 7: First Crewed Flight of the Block II Apollo Command Module Apollo 7
- Apollo 8: First Crewed Mission to Orbit the Moon Apollo 8
- Apollo 9 — Earth-orbit test flight of the Lunar Module Apollo 9
- Apollo asteroids: Earth‑crossing near‑Earth objects Apollo asteroids
- Apollo Beach, Florida
- Apollo Command and Service Module: design, history and missions Apollo command and service module
- Apollo Lunar Module: design, history, and operational use Apollo Lunar Module
- Apollo program: United States crewed effort to land humans on the Moon Apollo program
- Apollo Theater (Harlem music hall) Apollo Theater
- Apollonius of Rhodes — Hellenistic poet and author of the Argonautica Apollonius of Rhodes
- Apolo Nsibambi: Ugandan Scholar and Long-Serving Prime Minister Apolo Nsibambi
- Apologetic proverb (wellerism): a humorous reversal of sayings Apologetic proverb
- Apologize (song) by OneRepublic Apologize (song)
- Apomixis: asexual seed formation and clonal reproduction in plants Apomixis
- Apomorphy (biology): derived traits and their role in phylogeny Apomorphy
- Apopka, Florida
- Apoplexy
- Apoptosis: Programmed cell death in development, health, and disease Apoptosis
- Apoptygma Berzerk (APB) — Norwegian electronic and synthpop project Apoptygma Berzerk
- Apostasy: leaving or renouncing a faith Apostasy
- Apostasy in Islam: definitions, legal views, and contemporary debates Apostasy in Islam
- Apostatic selection: predator-driven maintenance of prey polymorphism Apostatic selection
- Apostle
- Apostles' Creed: history, structure, uses, and significance Apostles' Creed
- Apostolic Nunciature
- Apostolic Palace (Papal Palace) Apostolic Palace
- Apostolos Kaklamanis — Greek politician and former Speaker of Parliament Apostolos Kaklamanis
- Apostrophe (punctuation mark) Apostrophe
- Apothem: definition, formulas, examples and uses Apothem
- Apotropaic magic (apotropaism) Apotropaic magic
- App Store: digital marketplaces for software and mobile applications App Store
- App Store (iOS)
- Appa (fictional flying bison from Avatar: The Last Airbender) Appa
- Appalachia, Virginia
- Appalachian Mountains
- Appanage: hereditary land grants for younger royal family members Appanage
- Appanoose County, Iowa
- Apparatjik (musical supergroup) Apparatjik
- Apparatus: devices, equipment, and organizational systems Apparatus
- Appeal (law): purpose, procedure, and outcomes Appeal
- Appeal to emotion (argumentum ad passiones) Appeal to emotion
- Appeal to Nature (informal logical fallacy) Appeal to nature
- Appeal to Popularity (Argumentum ad Populum) Appeal to popularity
- Appeal to Reason (Rise Against album) Appeal to Reason
- Appeal to tradition (argumentum ad antiquitatem) Appeal to tradition
- Appeasement: policy of concession to avoid conflict Appeasement
- Appellate Court: Role, Structure, Procedure, and Variations Appellate court
- Appellation d'origine contrôlée (AOC) Appellation d'origine contrôlée
- Appendage (anatomy): external projections of animal bodies Appendage
- Appendectomy (appendicectomy) Appendectomy
- Appendicitis: overview, causes, symptoms, diagnosis and treatment Appendicitis
- Appendix (anatomy): structure, function, evolution and clinical importance Appendix (anatomy)
- Appendiceal cancer Appendix cancer
- Appenwihr — commune in Haut-Rhin, Grand Est, France Appenwihr
- Appenzell (town) — capital of Appenzell Innerrhoden, Switzerland Appenzell (town)
- Appenzell Ausserrhoden
- Appenzell District (Appenzell Innerrhoden) Appenzell District
- Appenzell Innerrhoden (Swiss canton) Appenzell Innerrhoden
- Appetite: the desire to eat, its regulation and effects Appetite
- Appetite for Destruction — debut album by Guns N' Roses Appetite for Destruction
- Appetizer (Starter): Definition, Types, History and Uses Appetizer
- Appin, New South Wales
- Appingedam — historic city in Groningen, the Netherlands Appingedam
- Applause: definition, forms, history and social role Applause
- Applause (Lady Gaga song)
- Apple (Malus): fruit, tree, cultivation, uses, and global importance Apple
- Apple A4 system-on-chip Apple A4
- Apple Corps Ltd.: The Beatles' multimedia company Apple Corps
- Apple Inc.: history, products, and ecosystem Apple Inc.
- Apple Inc. multinational company
- Apple juice: production, types, nutrition and common uses Apple juice
- Apple Macintosh (Mac) — Personal computer line by Apple Inc. Apple Macintosh
- Apple Maps
- Apple pie: history, ingredients, variations and serving traditions Apple pie
- Apple Records
- Apple River, Illinois
- Applesauce Apple sauce
- Apple strudel: history, ingredients, and preparation Apple strudel
- Apple TV (digital media player and streaming platform) Apple TV
- Apple Valley, California
- Apple Watch: design, features, history and uses Apple Watch
- Apple Worldwide Developers Conference (WWDC) Apple Worldwide Developers Conference
- Applebee's Neighborhood Bar & Grill — American casual dining chain Applebee's
- Appleby-in-Westmorland
- Appleby, Texas
- Apples and Oranges (idiom): Meaning, Use, and Cautions Apples and oranges
- Apples (Vaud) — Municipality in the canton of Vaud, Switzerland Apples, Vaud
- AppleScript: macOS automation and scripting language AppleScript
- Applet (software): small programs embedded in web pages Applet
- AppleTalk: Apple’s legacy local-area networking protocol suite AppleTalk
- Appleton, Wisconsin
- Appliance: types, uses, and notable distinctions Appliance
- Application: meanings, types, and significance Application
- Application Programming Interface (API): Definition, Types, and Uses Application programming interface
- Application-specific integrated circuit (ASIC) Application-specific integrated circuit
- Applied Behavior Analysis (ABA) Applied behavior analysis
- Applied Mathematics: methods, subfields, and practical applications Applied mathematics
- Applied Mechanics
- Applied Science: Principles, Practice, and Impact Applied science
- Appling County, Georgia
- Appoigny — commune in Yonne, Bourgogne-Franche-Comté, France Appoigny
- Appointment (scheduled meeting or official designation) Appointment
- Appomattox Campaign (1865): Final Operations of the Army of Northern Virginia Appomattox Campaign
- Appomattox County, Virginia: overview, history, and significance Appomattox County, Virginia
- Appomattox Court House (site of Lee's 1865 surrender) Appomattox Court House
- Appomattox, Virginia
- Apportionment in the United States Apportionment
- Apprenticeship: practical workplace training and skill development Apprenticeship
- Approval
- Approval voting: method, history, advantages, and criticisms Approval voting
- Approximant (phonetics) Approximant consonant
- Approximation: concepts, methods, and practical uses Approximation
- Approximation theory: methods, history, and applications Approximation theory
- Appukutty (Sivabalan) — Tamil actor and comedian Appukutty
- Apremont, Ain — small commune in Auvergne-Rhône-Alpes Apremont, Ain