Search by letter: A
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Search by letter: A
- Allan Clarke — English singer and founding lead of The Hollies Allan Clarke (singer)
- Allan Cup — Canadian senior amateur men's ice hockey championship Allan Cup
- Allan Edwall — Swedish actor, director, author and composer Allan Edwall
- Allan Gotlieb — Canadian diplomat, lawyer and author Allan Gotlieb
- Allan H. Meltzer
- Allan Hills 84001 (ALH84001) — Martian meteorite Allan Hills 84001
- Allan Holdsworth
- Allan Hunter (Northern Irish footballer) Allan Hunter (footballer)
- Allan Jones (American actor and tenor) Allan Jones (actor)
- Allan Kardec (Hippolyte Léon Denizard Rivail) — Founder of Spiritism Allan Kardec
- Allan J. MacEachen: Canada's first Deputy Prime Minister and senior Liberal statesman Allan MacEachen
- Allan McKeown (British television producer) Allan McKeown
- Allan MacLeod Cormack Allan McLeod Cormack
- Allan Octavian Hume: Civil Servant, Political Reformer and Pioneer Ornithologist Allan Octavian Hume
- Allan Masaharu Ohata — U.S. Army soldier and Medal of Honor recipient Allan Ohata
- Allan Pinkerton: 19th‑Century Detective and Founder of the Pinkerton National Detective Agency Allan Pinkerton
- Allan Ramsay (1713–1784): Scottish Portrait Painter Allan Ramsay (artist)
- Allan Simonsen (Danish footballer) Allan Simonsen
- Allard van der Scheer: Dutch stage and screen actor (1928–2014) Allard van der Scheer
- Allauch — commune near Marseille in Provence-Alpes-Côte d'Azur Allauch
- Alle (Jura) — Municipality in Porrentruy District, Switzerland Alle, Switzerland
- Allee Willis: songwriter behind pop classics and television themes Allee Willis
- Allegan County, Michigan
- Allegan, Michigan
- Allegany County, Maryland
- Allegany County, New York — geography, history, communities and services Allegany County, New York
- Alleghany County, North Carolina
- Alleghany County, Virginia
- Allegheny County, Pennsylvania
- Allegheny Mountains
- Allegheny River: geography, history, and uses Allegheny River
- Allegheny (Allegheny City), Pennsylvania — the North Side of Pittsburgh Allegheny, Pennsylvania
- Allegiant (novel)
- Allegiant Air
- Allegory: Definition, Forms, History, and Uses Allegory
- Allegra Versace
- Allegro (musical tempo marking) Allegro
- Alleins (Bouches‑du‑Rhône) — commune in Provence-Alpes-Côte d'Azur Alleins
- Allele: variant forms of a gene at a chromosomal locus Allele
- Allele frequency (proportion of gene variants in populations) Allele frequency
- Allemagne-en-Provence — commune in Alpes-de-Haute-Provence, Provence, France Allemagne-en-Provence
- Alleman, Iowa
- Allemande — Baroque dance and instrumental movement Allemande
- Allemant (Aisne) Allemant, Aisne
- Allen County (United States) Allen County
- Allen County, Indiana
- Allen County, Kansas
- Allen County, Kentucky
- Allen County, Ohio
- Allen Daviau — American Cinematographer Allen Daviau
- Allen Dulles
- Allen E. Ertel
- Allen Garfield (1939–2020) — American character actor Allen Garfield
- Allen Ginsberg: Life, Work, and Influence of a Beat Generation Poet Allen Ginsberg
- Allen Klein: Music Business Manager, Record Executive, and Copyright Owner Allen Klein
- Allen Lanier: Blue Öyster Cult keyboardist, guitarist and songwriter Allen Lanier
- Allen Lee: Hong Kong businessman, legislator and political commentator Allen Lee
- Allen Ludden (1917–1981), American game show host and television personality Allen Ludden
- Allen Parish, Louisiana
- Allen Payne (actor) Allen Payne
- Allen Telescope Array
- Allen Toussaint
- Allen Weinstein: American historian, archivist, and author Allen Weinstein
- Allen, Kansas
- Allen, Kentucky
- Allen, Louisiana (unincorporated community) Allen, Louisiana
- Allen, Oklahoma — small town profile Allen, Oklahoma
- Allen, Texas
- Allenay — Commune in the Somme department of Hauts-de-France Allenay
- Allendale County, South Carolina
- Allendale, Illinois
- Allendale, New Jersey
- Allendale, South Carolina
- Allene Roberts (American actress) Allene Roberts
- Allensville, Kentucky
- Allentown, Pennsylvania
- Allenville, Illinois
- Allergen — substances that trigger allergic reactions Allergen
- Allergic rhinitis (hay fever): causes, symptoms and treatment Allergic rhinitis
- Allergy: causes, symptoms, diagnosis, and management Allergy
- Allerton Hotel (Warwick Allerton Hotel Chicago) Allerton Hotel
- Allerton, Illinois
- Allerton, Iowa
- Allery (Somme) — a rural commune in northern France Allery
- Alley Mills — American actress known for The Wonder Years and soap roles Alley Mills
- Allgäu Alps: geography, geology and outdoor recreation Allgäu Alps
- Allgood, Alabama — Small Town in Blount County (formerly Chepultepec) Allgood, Alabama
- Alliaceae — the onion family (Allioideae) Alliaceae
- Alliance (political and military agreements) Alliance
- Alliance for the Future of Austria (BZÖ) Alliance for the Future of Austria
- Alliance Party of Northern Ireland
- Alliance, Nebraska — city in the Nebraska Panhandle Alliance, Nebraska
- Alliance, Ohio: Overview, history, and community profile Alliance, Ohio
- Allianz SE — German multinational insurer and asset manager Allianz
- Allianz Arena — Munich's prominent football stadium Allianz Arena
- Allibaudières — commune in the Aube department, France Allibaudières
- Allie Grant: American television actress known for The Suite Life and Suburgatory Allie Grant
- Allied invasion of Italy (1943): operations, commanders, and consequences Allied invasion of Italy
- Allied invasion of Sicily (Operation Husky), July–August 1943 Allied invasion of Sicily
- Allied Powers (World War I) Allied Powers of World War I
- Allied-occupied Germany (1945–1949): zones, administration and legacy Allied-occupied Germany
- Allier (department in central France) Allier
- Allier (river) — central French tributary of the Loire Allier (river)
- Allies — Definition, History, Roles, and Cultural Uses Allies
- Allied Powers of World War II Allies of World War II
- Alligator: biology, taxonomy, behavior, and conservation Alligator
- Alligator Records
- Alligatoridae: the family of alligators and caimans Alligatoridae
- Allineuc: a rural commune in Brittany, France Allineuc
- Allison Crowe — Canadian singer-songwriter, pianist and guitarist Allison Crowe
- Allison Iraheta: American singer and 2009 American Idol finalist Allison Iraheta
- Allison Janney: Life, Career, and Major Roles Allison Janney
- Allison Mack: Actress, Smallville Role, and Legal Controversy Allison Mack
- Allison Shearmur: Film Executive and Producer Allison Shearmur
- Allison, Iowa
- Alliteration: definition, features, history, and common examples Alliteration
- Allium — the onion genus: garlic, onions, leeks and chives Allium
- Allman Brothers Band: pioneers of Southern rock and improvisational jam music Allman Brothers Band
- Allmänna Idrottsklubben (AIK) — Swedish multi-sport club Allmänna Idrottsklubben
- Allmendingen bei Bern
- AllMovie — comprehensive film and television reference AllMovie
- AllMusic: an online music database and reference guide AllMusic
- Alloa Athletic F.C.
- Allometry: how size relates to shape, growth and biological scaling Allometry
- Allonby, Cumbria Allonby
- Allonnes (Sarthe) — commune in Pays de la Loire, France Allonnes, Sarthe
- Allons, Alpes-de-Haute-Provence
- Allonville — commune in Somme, Hauts-de-France, France Allonville
- Allos — mountain commune in Alpes-de-Haute-Provence, France Allos
- Allosauroidae: the allosauroid theropods Allosauroidae
- Allosaurus — large Jurassic theropod and Morrison Formation predator Allosaurus
- Allotheria: extinct Mesozoic mammals with multi‑cusped teeth Allotheria
- Allotment (Sortition): Random Selection for Public and Private Roles Allotment
- Allotropes of Carbon: Forms, Structure, and Uses Allotropes of carbon
- Allotropes of iron: forms, structures, and importance Allotropes of iron
- Allotropy: distinct structural forms of chemical elements Allotropy
- Allouagne — commune in Pas-de-Calais, northern France Allouagne
- Allouez, Wisconsin: Overview, Geography, History and Notable Facts Allouez, Wisconsin
- Allowance (pocket money and parental payments to children) Allowance
- Alloy — definition, types, production, history and common uses Alloy
- Allsång på Skansen
- Allschwil — municipality in Basel-Landschaft, Switzerland Allschwil
- Allspice (Pimenta dioica): overview, uses, cultivation, and history Allspice
- Allstate Arena (formerly Rosemont Horizon) Allstate Arena
- Allsvenskan — Sweden's top men's football league Allsvenskan
- Allsvenskan (bandy)
- Allsvenskan (men's handball)
- Allsvenskan (women's handball)
- Allusion (literary device) Allusion
- Alluvial fan
- Allvar Gullstrand — Swedish ophthalmologist and optical scientist Allvar Gullstrand
- Ally Condie: American Young Adult Author of the Matched Trilogy Ally Condie
- Ally McBeal — American legal dramedy (1997–2002) Ally McBeal
- Ally McCoist: Scottish striker, Rangers icon, manager and broadcaster Ally McCoist
- Ally Sheedy: American actress known for 1980s teen films and varied screen career Ally Sheedy
- Allyn Ann McLerie: actress, singer and dancer Allyn Ann McLerie
- Alma Adamkienė — Lithuanian‑American philologist, philanthropist, and former First Lady Alma Adamkienė
- Alma Adams: Educator, State Legislator, and U.S. Representative from North Carolina Alma Adams
- ALMA Award
- Alma Cogan — English traditional pop singer of the 1950s Alma Cogan
- Alma Gluck: Romanian‑born American soprano and early recording star Alma Gluck
- Alma Mater: Origins, Historical Uses, and Contemporary Meanings Alma mater
- Alma Muriel — Mexican Actress (1951–2014) Alma Muriel
- Alma, Arkansas
- Alma, Illinois
- Alma, Kansas
- Alma, Wisconsin: Mississippi River city and Buffalo County seat Alma, Wisconsin
- Almaguer, Cauca — municipality in southwestern Colombia Almaguer, Cauca
- Almahalla SC (Tripoli football club) Almahalla SC
- Almăj (commune in Dolj County, Romania) Almăj
- Almanac: annual reference of calendars, astronomy, weather and practical data Almanac
- Almansa, Spain: town, history and cultural landmarks Almansa
- Almas Tower — Dubai high-rise for commodities and commerce Almas Tower
- Almaty: overview, history, geography, economy and cultural significance Almaty
- Almaty Region (Almaty Oblysy) — southeastern Kazakhstan Almaty Region
- Almayer's Folly
- Almazbek Atambayev
- Almelo — city and municipality in Overijssel, Netherlands Almelo
- Almena, Kansas
- Almena, Wisconsin
- Almendares River (Río Almendares) Almendares River
- Almens — former municipality in Graubünden, Switzerland Almens
- Almere, Netherlands Almere
- Almere City FC
- Almería — Andalusian port city: history, landscape, economy and sights Almería
- Älmhult: Swedish town known for industry and local culture Älmhult
- Älmhult Municipality
- Almir Guineto: Brazilian sambista and formative figure in pagode Almir Guineto
- Almohad Caliphate — Berber reform movement and medieval West African–Iberian dynasty Almohad
- Almond (Prunus dulcis): description, cultivation, uses and history Almond
- Almond, Wisconsin — village in Portage County Almond, Wisconsin
- Almondvale Stadium — home ground of Livingston F.C. Almondvale Stadium
- Almoravid dynasty: origins, expansion, society and legacy Almoravid dynasty
- Almost Heroes (1998 film) Almost Heroes
- Almost You (1985 film) Almost You
- Almudena Cathedral (Catedral de la Almudena) — Madrid's principal modern cathedral Almudena Cathedral
- Almuth Schult
- Alnico: the iron–aluminum–nickel–cobalt alloy used for permanent magnets Alnico
- Alnitak (Zeta Orionis): a bright multiple star in Orion's Belt Alnitak
- Alo (Mardan) — town and union council in Khyber Pakhtunkhwa Alo, Mardan
- Aloadae (Otos and Ephialtes) — twin giants of Greek myth Aloadae
- Aloch — town and administrative center of Puran Tehsil, Shangla District Aloch
- Aloe (genus of succulent plants) Aloe
- Aloe Blacc
- Aloe vera: overview, characteristics, uses, cultivation and safety Aloe vera
- Alofi, Niue: Capital and Administrative Centre of the Island Alofi
- Aloha (2015 film) Aloha (movie)
- Aloha ʻOe — Hawaiian farewell song by Queen Liliʻuokalani Aloha ʻOe
- Aloha Stadium (Honolulu) Aloha Stadium
- Alois Alzheimer — life, work and legacy Alois Alzheimer
- Alois Brunner: SS officer, Holocaust perpetrator and postwar fugitive Alois Brunner
- Alois Hitler (1837–1903) — Austrian customs official and father of Adolf Hitler Alois Hitler
- Alois Mock
- Alois, Hereditary Prince of Liechtenstein
- Aloïse Moudileno Massengo: Congolese Lawyer and Vice President (1933–2020) Aloïse Moudileno Massengo
- Aloja, Latvia
- Alojz Benac: Bosnian Archaeologist and Scholar Alojz Benac
- Alojz Rebula: Slovene Writer, Playwright and Essayist (1924–2018) Alojz Rebula
- Alojz Uran — Slovenian Roman Catholic Archbishop Alojz Uran
- Alojzy Orszulik — Polish Roman Catholic Bishop (1928–2019) Alojzy Orszulik
- Alok Nembang — Nepali film and music-video director (1973–2014) Alok Nembang
- Alon Abutbul
- Alonso de Ercilla y Zúñiga — Spanish nobleman, soldier and epic poet Alonso de Ercilla
- Alonso Sánchez Coello: Spanish Renaissance Portraitist and Court Painter Alonso Sánchez Coello
- Alonzo Church: Logician and Pioneer of Computability Alonzo Church
- Alonzo Gee
- Alor Regency (East Nusa Tenggara, Indonesia) Alor Regency
- Alor Setar — capital city of Kedah, Malaysia Alor Setar
- Alorton, Illinois: small village in the Metro-East region Alorton, Illinois
- Alos-Sibas-Abense — commune in Pyrénées-Atlantiques Alos-Sibas-Abense
- Alou Diarra
- Aloysius Gonzaga (1568–1591) — Italian Jesuit saint and patron of youth Aloysius Gonzaga
- Aloyzas Kveinys — Lithuanian Chess Grandmaster and Five-time National Champion Aloyzas Kveinys
- Alpaca (Vicugna pacos): Domestic South American camelid Alpaca
- Alpay Özalan: Turkish central defender and international footballer Alpay Özalan
- Alpena County, Michigan
- Alpena, Michigan — Lake Huron city and county seat Alpena, Michigan
- Alperton tube station
- Alpes-de-Haute-Provence: geography, history and cultural highlights Alpes-de-Haute-Provence
- Alpes-Maritimes: department in southeastern France Alpes-Maritimes
- Alpes–Isère Airport (Grenoble–Saint‑Geoirs) Alpes–Isère Airport
- Alph River (Antarctica) Alph River
- Alpha (Greek letter): origin, forms, and uses Alpha
- Alpha (Selena y Los Dinos album) Alpha (album)
- Alpha and Omega (2010 film) Alpha and Omega (movie)
- Alpha Centauri — the nearest stellar system to the Sun Alpha Centauri
- Alpha Cephei (Alderamin) Alpha Cephei
- Alpha cleavage (α-cleavage) in organic chemistry Alpha cleavage
- ALPHA Collaboration
- Alpha Condé — Guinean politician and former president Alpha Condé
- Alpha Crucis (Acrux) — the bright multiple star of the Southern Cross Alpha Crucis
- Alpha helix: structure, bonding, and biological roles Alpha helix
- Alpha Herculis (Rasalgethi) Alpha Herculis
- Alpha Kappa Alpha: First African-American Sorority Alpha Kappa Alpha
- Alpha male
- Alpha Oumar Konaré: Malian president and former African Union chair Alpha Oumar Konaré
- Alpha particle (helium nucleus) Alpha particle
- Alpha Persei Cluster (Melotte 20 / Collinder 39) Alpha Persei Cluster
- Alpha Phi Alpha — First Intercollegiate Black Greek‑Letter Fraternity Alpha Phi Alpha
- Alpha, Illinois
- Alphabet: systems of written letters and their roles Alphabet
- Alphabet (computer science: formal languages and automata) Alphabet (computer science)
- Alphabet Inc.
- Alphabetical order: principles, history, and practical variations Alphabetical order
- Alphablocks — British animated phonics series for preschoolers Alphablocks
- Alphamstone, Essex Alphamstone
- Alphanumeric: definition, uses, ambiguity and technical notes Alphanumeric
- Alphaville (German synth-pop band) Alphaville
- Alphaville (1965 film) Alphaville (movie)
- Alphen aan den Rijn
- Alphen-Chaam: a rural municipality in North Brabant, Netherlands Alphen-Chaam
- Alpheton: village and civil parish in Suffolk, England Alpheton
- Alphons Egli — Swiss Federal Councillor and President of the Confederation (1986) Alphons Egli
- Alphonse Daudet: French novelist and storyteller (1840–1897) Alphonse Daudet
- Alphonse Laveran
- Alphonse Mucha: Czech Art Nouveau Painter and Designer Alphonse Mucha
- Alphonse of Poitiers, 13th-century Count of Poitou and Toulouse Alphonse of Poitiers
- Alphonso Taft
- Alpial — Muslim Rajput tribe of northern Punjab, Pakistan Alpial
- Alpine butterfly knot (butterfly loop) Alpine butterfly knot
- Alpine climate
- Alpine County, California
- Alpine Fault — major plate boundary fault in New Zealand Alpine fault
- Alpine lake
- Alpine marmot (Marmota marmota) Alpine marmot
- Alpine newt (Ichthyosaura alpestris) Alpine newt
- Alpine (Alpide) orogeny — origin and development of the Alpide belt Alpine orogeny
- Alpine skiing: downhill sport, equipment, competitions and history Alpine skiing
- Alpine skiing at the 2018 Winter Paralympics
- Alpine tundra: high‑mountain ecosystems above the treeline Alpine tundra
- Alpine, Texas
- Alpine, Wyoming
- Alpirsbach: town, abbey, and cultural center in the Black Forest Alpirsbach
- Alpnach — municipality in Obwalden, Switzerland Alpnach
- Alprazolam: uses, effects, risks and clinical overview Alprazolam
- Alps: Europe's major mountain range Alps
- Alpthal — mountain municipality in the canton of Schwyz Alpthal
- Alpuri — Town and district headquarters in Shangla, Khyber Pakhtunkhwa Alpuri
- Alpuri Tehsil: administrative and geographic profile Alpuri Tehsil
- Alquines (Pas-de-Calais) Alquines