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Questions and answers
- 2018 Brazilian general election
- 2018 FIFA World Cup — Russia: overview, results and legacy 2018 FIFA World Cup
- 2018 FIFA World Cup Final the last match to determine the winner of the 2018 FIFA World Cup
- 2018 FIFA World Cup — Group A 2018 FIFA World Cup Group A
- 2018 FIFA World Cup — Group B: Portugal, Spain, Morocco, Iran 2018 FIFA World Cup Group B
- 2018 FIFA World Cup — Group C (France, Australia, Peru, Denmark) 2018 FIFA World Cup Group C
- 2018 FIFA World Cup — Group D: Argentina, Iceland, Croatia, Nigeria 2018 FIFA World Cup Group D
- 2018 FIFA World Cup — Group E (Brazil, Switzerland, Costa Rica, Serbia) 2018 FIFA World Cup Group E
- 2018 FIFA World Cup — Group F (Germany, Mexico, Sweden, South Korea) 2018 FIFA World Cup Group F
- 2018 FIFA World Cup — Group G overview 2018 FIFA World Cup Group G
- 2018 FIFA World Cup — Group H (Poland, Senegal, Colombia, Japan) 2018 FIFA World Cup Group H
- 2018 FIFA World Cup knockout stage the second stage of the competition
- 2018 FIFA World Cup qualification — UEFA Group A 2018 FIFA World Cup qualification – UEFA Group A
- 2018 FIFA World Cup qualification — UEFA Group B 2018 FIFA World Cup qualification – UEFA Group B
- 2018 FIFA World Cup qualification — UEFA Group C 2018 FIFA World Cup qualification – UEFA Group C
- 2018 FIFA World Cup qualification — UEFA Group D 2018 FIFA World Cup qualification – UEFA Group D
- 2018 FIFA World Cup qualification — UEFA Group E 2018 FIFA World Cup qualification – UEFA Group E
- 2018 FIFA World Cup qualification — UEFA Group F 2018 FIFA World Cup qualification – UEFA Group F
- 2018 FIFA World Cup qualification — UEFA Group G 2018 FIFA World Cup qualification – UEFA Group G
- 2018 FIFA World Cup qualification — UEFA Group H 2018 FIFA World Cup qualification – UEFA Group H
- 2018 FIFA World Cup qualification – UEFA Group I
- 2018 FIFA World Cup qualification (CONMEBOL)
- 2018 Formula One World Championship the 69th season
- 2018 Monster Energy NASCAR Cup Series
- 2018 UEFA Champions League Final (Real Madrid 3–1 Liverpool) 2018 UEFA Champions League Final
- 2018 UEFA Europa League Final — Atlético Madrid vs Marseille 2018 UEFA Europa League Final
- 2018 UEFA Super Cup — Real Madrid vs Atlético Madrid in Tallinn 2018 UEFA Super Cup
- 2018 United States elections
- 2018 United States Senate election in Tennessee
- 2018 Winter Olympics (PyeongChang) 2018 Winter Olympics
- 2018 Winter Paralympics in Pyeongchang — XII Paralympic Winter Games (9–18 March 2018) 2018 Winter Paralympics
- 2018–19 Bundesliga season 2018–19 Bundesliga
- 2018–19 National Hockey League season 2018–19 NHL season
- 2018–19 Russian Premier League
- 2018–19 UEFA Champions League — season summary and significance 2018–19 UEFA Champions League
- 2018–19 UEFA Champions League group stage
- 2018–19 UEFA Europa League the 48th season of Europe's secondary club football tournament
- 2019 Africa Cup of Nations (AFCON 2019) 2019 Africa Cup of Nations
- 2019 Africa Cup of Nations qualification — Group D 2019 Africa Cup of Nations qualification Group D
- 2019 Africa Cup of Nations qualification — Group E 2019 Africa Cup of Nations qualification Group E
- 2019 Africa Cup of Nations qualification — Group J 2019 Africa Cup of Nations qualification Group J
- 2019 Africa Cup of Nations qualification — Group L 2019 Africa Cup of Nations qualification Group L
- 2019 Atlantic hurricane season: overview, notable storms, and records 2019 Atlantic hurricane season
- 2019 Cricket World Cup — England and Wales 2019 Cricket World Cup
- 2019 FIFA Women's World Cup the eighth FIFA Women's World Cup
- 2019 FIFA Women's World Cup — Group A (France, Nigeria, Norway, South Korea) 2019 FIFA Women's World Cup Group A
- 2019 FIFA Women's World Cup — Group B overview 2019 FIFA Women's World Cup Group B
- 2019 FIFA Women's World Cup — Group D 2019 FIFA Women's World Cup Group D
- 2019 FIFA Women's World Cup — Group E 2019 FIFA Women's World Cup Group E
- 2019 FIFA Women's World Cup — Group F 2019 FIFA Women's World Cup Group F
- 2019 FIFA Women's World Cup knockout stage the second and final stage of the competition
- 2019 FIA Formula One World Championship overview and significance 2019 Formula One World Championship
- 2019 Monster Energy NASCAR Cup Series
- 2019 North Indian Ocean cyclone season
- 2019 Measles Outbreak in Samoa 2019 Samoa measles outbreak
- 2019 San Francisco 49ers season
- 2019 Sri Lanka Easter Sunday bombings 2019 Sri Lanka Easter bombings
- 2019 UEFA Champions League Final: Liverpool 2–0 Tottenham Hotspur 2019 UEFA Champions League Final
- Chelsea's 4–1 victory over Arsenal in the 2019 Europa League Final (Baku) 2019 UEFA Europa League Final
- 2019 UEFA Super Cup: Liverpool v Chelsea in Istanbul 2019 UEFA Super Cup
- 2019 United Kingdom general election
- 2019–20 Premier League season 2019–20 Premier League
- 2019–20 UEFA Champions League
- 2020 — the year of global disruption and social change 2020
- 2020 Belizean general election
- Mid-2020 Brazil wildfires: rainforest and Pantanal fires tracked by INPE satellites 2020 Brazil wildfires
- 2020 China–India skirmishes: Galwan Valley and border standoff 2020 China–India skirmishes
- 2020 Democratic Party vice presidential selection and its significance 2020 Democratic Party vice presidential candidate selection
- 2020 Formula One World Championship the 71st season
- 2020 Hungarian Grand Prix (Hungaroring) 2020 Hungarian Grand Prix
- 2020 Labour Party leadership election (UK)
- 2020 New Caledonian independence referendum
- 2020 Pacific typhoon season
- 2020 Republican Party presidential primaries
- 2020 Russian constitutional vote (All‑Russian vote) 2020 Russian constitutional referendum
- 2020 stock market crash: causes, timeline, response and recovery 2020 stock market crash
- 2020 Summer Olympics (Tokyo 2020) 2020 Summer Olympics
- 2020 Taiwan presidential election (Republic of China) 2020 Taiwan presidential election
- 2020 United States presidential election November 3, 2020
- 2021 Jamaican general election 2021 Jamaica general election
- 2024 Summer Olympics (Games of the XXXIII Olympiad) — Paris 2024 Summer Olympics
- 2028 Summer Olympics (Games of the XXXIV Olympiad) 2028 Summer Olympics
- 20th Century: A Survey of Major Changes, Innovations, and Global Transformations 20th century
- 20th-Century Philosophy: Movements, Methods, and Influence 20th-century philosophy
- AD 21 (21 CE) — a year in the 1st century 21
- 21 BC
- 21st Century Fox American multinational mass media corporation
- 21st Century Museum of Contemporary Art, Kanazawa
- AD 22 (22 CE) 22
- 22 BC (Year of the Consulship of Marcellus and Arruntius) 22 BC
- 22 Short Films About Springfield
- 222 BC
- 22nd century (2101–2200) 22nd century
- AD 23 23
- 23 BC
- Year 24 (AD 24) 24
- 24 (2016 Tamil film) 24 (2016 movie)
- 24 BC
- 24 Hours of Le Mans
- 24-hour clock
- AD 25 25
- 25 BC (Year of the Consulship of Augustus and Silanus) 25 BC
- 253 Mathilde — Carbonaceous main-belt asteroid 253 Mathilde
- AD 26 (26): a year in the 1st century 26
- 26 BC: Roman consular year and its chronological context 26 BC
- Year 27 (AD 27) 27
- 27 BC
- AD 28 28
- 28 BC
- Year 29 (AD 29) 29
- 29 BC — Year of Octavian's Consulship and Roman Transition 29 BC
- 2AM (South Korean ballad group) 2AM
- 2nd millennium BC (c. 2000–1001 BC) 2nd millennium BC
- 2PM (South Korean boy band) 2PM
- Year 3 (AD 3) 3
- 3 BC
- 3 Juno (asteroid) 3 Juno
- AD 30 — the year in the 1st century 30
- 30 BC — Fall of the Ptolemaic Kingdom and Octavian's Rise 30 BC
- 30 de Febrero — Ha*Ash (studio album) 30 de Febrero
- 30 Seconds to Mars
- 300 (comics)
- Year 31 (AD 31) 31
- 31 BC
- Year 32 (AD 32) 32
- 32 BC (Year of the Consulship of Ahenobarbus and Sosius) 32 BC
- 3200 Phaethon: an asteroid-like body and parent of the Geminid meteors 3200 Phaethon
- 324 Bamberga — large, high‑eccentricity main‑belt asteroid 324 Bamberga
- Year 33 (AD 33) 33
- 33 BC — a year in the late Roman Republic 33 BC
- 34 BC
- 34th Annie Awards (2007) — Honoring 2006 Animation 34th Annie Awards
- 34th G8 Summit — Tōyako (Toyako), Japan, July 2008 34th G8 summit
- Year 35 (AD 35) — calendar year of the Roman Empire 35
- 35 BC — a year in the late Roman Republic 35 BC
- Year 36 (AD 36) 36
- 36 BC — Roman events, calendar notes, and historical context 36 BC
- 360 (year) — Roman politics, calendar details, and historical context 360
- 365 (song)
- AD 37 — death of Tiberius and accession of Caligula 37
- 37 BC
- 37th parallel north a circle of latitude that is 37 degrees north of the Earth's equatorial plane
- AD 38 38
- 38 BC
- 39 BC
- 390 BC
- Three-dimensional (3D): concept, measurement, perception, and applications 3D
- 3D (album) — TLC's final studio album 3D (album)
- 3D printing (additive manufacturing): overview, methods, materials, and uses 3D printing
- 3OH!3 — American electronic pop duo from Boulder, Colorado 3OH!3
- 3rd millennium BC
- AD 4 (year 4) 4
- 4 (album) — Beyoncé 4 (Beyoncé album)
- 4 in the Morning (Gwen Stefani song) 4 in the Morning
- 4 Vesta — a large, bright protoplanet of the main asteroid belt 4 Vesta
- 4-H (United States youth development organization) 4-H
- Year 40 (AD 40) 40
- 40 BC — Roman politics, calendar ambiguity, and key events 40 BC
- 40 Wall Street — Art Deco skyscraper in Manhattan's Financial District 40 Wall Street
- Year 400 (AD) 400
- 40th Parallel North a circle of latitude that is 40 degrees north of the Earth's equatorial plane
- Year 41 (AD): assassination of Caligula and accession of Claudius 41
- 41 BC — Year of political conflict in the late Roman Republic 41 BC
- AD 42 (42 CE) 42
- 42 BC — Battle of Philippi and the transformation of Rome 42 BC
- AD 43 43
- 43 Ariadne
- 43 BC — Roman Republic: power struggles and the rise of the Second Triumvirate 43 BC
- 433 Eros: A large Near‑Earth asteroid and NEAR Shoemaker target 433 Eros
- AD 44 (year) 44
- 44 BC — The Year of Caesar's Assassination and Roman Transition 44 BC
- Year 45 (AD): Roman consuls, Claudius's reign, and global context 45
- 45 BC — first year of the Julian calendar 45 BC
- 45 Eugenia
- AD 46 — a year in the 1st century 46
- Year 47 (AD) 47
- Year 48 (AD) 48
- 48 Hrs. — 1982 action-comedy that helped define the buddy cop film 48 Hrs.
- AD 49 49
- 4AD — influential British independent record label 4AD
- 4Kids Entertainment — history and role in children's television 4Kids
- 4Minute: South Korean K-pop girl group (2009–2016) 4Minute
- 4th millennium BC
- Year 5 (AD) — Roman year and calendar overview 5
- 5 Seconds of Summer: Australian pop-rock band overview 5 Seconds of Summer
- 5-1-1 — United States and Canadian travel and traffic information number 5-1-1
- AD 50 (L) 50
- 50 Cent (Curtis Jackson) 50 Cent
- 50 First Dates (2004 film) 50 First Dates
- Year 500 (AD): Calendar, Roman Numeral, and Historical Context 500
- 500 Home Run Club (Major League Baseball milestone) 500 home run club
- 5000 metres (5K): track distance, road races, and competitive context 5000 metres
- 51 Pegasi — Sun-like star and host of the first hot Jupiter around a solar-type star 51 Pegasi
- 5145 Pholus — a very red Centaur of the outer Solar System 5145 Pholus
- 51st State: Meaning, Candidates, and Political Context 51st state
- 52 BC: Crisis in Rome and Caesar’s Victory in Gaul 52 BC
- 52 Europa — large main-belt asteroid 52 Europa
- 53 BC
- 54th Massachusetts Volunteer Infantry Regiment 54th Massachusetts Infantry Regiment
- Year 587 (AD) — calendar, context and overview 587
- 5th G7 Summit (1979) — Tokyo meeting of industrial democracies 5th G7 summit
- AD 6 (Year 6) 6
- 6‑plus‑6 instruments: two‑row, whole‑tone/isomorphic keyboard layouts 6-plus-6-instruments
- 617 Patroclus — a binary Jupiter Trojan 617 Patroclus
- 624 Hektor — largest Jupiter Trojan and elongated contact‑binary candidate 624 Hektor
- 64 Studio — Debian-based Linux for audio and video production 64 Studio
- 64-bit computing
- 65th British Academy Film Awards (2012) 65th British Academy Film Awards
- 68th (Durham) Regiment of Foot (Light Infantry)
- AD 7 (Year 7): calendar details and historical context 7
- Year 7 BC 7 BC
- 7 July 2005 London bombings (7/7) 7 July 2005 London bombings
- 7 Rings (Ariana Grande song) 7 Rings
- 7‑Eleven — international convenience store chain 7-Eleven
- 7-Zip: Free open-source file archiver and compression utility 7-Zip
- 70 Virginis b – an early massive exoplanet in Virgo 70 Virginis b
- 704 Interamnia — large main-belt asteroid 704 Interamnia
- 7aum Arivu (Seventh Sense) 7aum Arivu
- Year 8 (AD 8) — Julian leap year and historical context 8
- 8 Flora (asteroid) 8 Flora
- 808s & Heartbreak
- 875 North Michigan Avenue (formerly the John Hancock Center) 875 North Michigan Avenue
- Year 89 (AD 89) — Julian calendar year and Roman context 89
- AD 9 (IX) — Year in the Roman Empire and China 9
- 9 BC (year) 9 BC
- 9 Metis — a large main-belt asteroid 9 Metis
- 90482 Orcus — a large Kuiper belt object and dwarf-planet candidate 90482 Orcus
- 98 Degrees: American pop and contemporary R&B vocal group 98 Degrees
- 99942 Apophis — near‑Earth asteroid and notable 2029 flyby 99942 Apophis
- Letter A — origin, forms, pronunciation, uses and notable facts A
- A (musical note)
- A Boy Named Sue — song by Shel Silverstein popularized by Johnny Cash A Boy Named Sue
- A Brief History of Time — book overview and significance A Brief History of Time
- A cappella: Unaccompanied vocal music — forms, techniques, and history A cappella
- A Change of Seasons (1980 film) A Change of Seasons (movie)
- A Christmas Carol
- A Clockwork Orange: novel, style, themes and cultural impact A Clockwork Orange
- A Clockwork Orange (1971 film) A Clockwork Orange (movie)
- A Dangerous Path (Warriors)
- A Daughter of the Congo (1930) A Daughter of the Congo
- A Day at the Races (1937 film) A Day at the Races (movie)
- A Dirty Shame: John Waters' 2004 satirical sex comedy A Dirty Shame
- A Farewell to Arms (1932 film) A Farewell to Arms (1932 movie)
- A Fever You Can't Sweat Out first album made by the rock band, Panic! at the Disco
- A Fish Called Wanda
- A Girl like Me (Rihanna album) A Girl like Me
- A Goofy Movie
- A Hard Day's Night — The Beatles' 1964 film and soundtrack A Hard Day's Night
- A Hatful of Rain (1957 film) A Hatful of Rain
- A major (key) A major
- A Matter of Life and Death (Iron Maiden album) A Matter of Life and Death
- A Midsummer Night's Dream — Shakespeare's comic exploration of love and illusion A Midsummer Night's Dream
- A Millionaire for Christy (1951 film) A Millionaire for Christy
- A minor (musical key and scale) A minor
- A Momentary Lapse of Reason
- A Night in Heaven (1983) — American romantic drama film A Night in Heaven
- A Perfect Circle
- A Philosopher Lecturing on the Orrery — Joseph Wright of Derby (18th century) A Philosopher Lecturing on the Orrery
- A Place in the Sun (1951) A Place in the Sun
- A Portrait of the Artist as a Young Man — James Joyce's Modernist Bildungsroman A Portrait of the Artist as a Young Man
- A Prairie Home Companion
- A Prairie Home Companion (2006 film) A Prairie Home Companion (movie)
- A Quiet Place in the Country — 1968 psychological thriller by Elio Petri A Quiet Place in the Country
- A Series of Unfortunate Events
- A Star Is Born (2018) — soundtrack album by Lady Gaga and Bradley Cooper A Star Is Born (2018 soundtrack)
- A Study in Scarlet — Arthur Conan Doyle’s first Sherlock Holmes novel A Study in Scarlet
- A Touch of Class (1973 film) A Touch of Class (movie)
- A Vindication of the Rights of Woman
- A Wedding (1978 film) A Wedding (1978 movie)
- A Yank in the RAF (1941 film) A Yank in the RAF
- A-flat major
- A-flat minor
- A-League Men association football
- A-sharp minor (A♯ minor) A-sharp minor
- A. J. Allmendinger
- A. P. Hill
- A. Philip Randolph — Labor Leader and Civil Rights Organizer A. Philip Randolph
- A.C. Milan — history, identity, and achievements of the Rossoneri A.C. Milan
- A.I. Artificial Intelligence (2001 film) A.I. Artificial Intelligence
- A.K.A. (album)
- A.N.T. Farm — American teen sitcom about gifted young musicians and students A.N.T. Farm
- A&W (Canada): history, products, and independent Canadian chain A&W (Canada)
- A1 Grand Prix — international single-make motorsport series A1 Grand Prix
- A1 road (Great Britain): the Great North Road from London to Edinburgh A1 road (Great Britain)
- AAA 400 Drive for Autism (NASCAR Cup Series race) AAA 400 Drive for Autism
- AAC (Advanced Audio Coding) — compressed audio format AAC
- Aachen Cathedral (Aachener Dom): Charlemagne's Palatine Chapel and World Heritage Aachen Cathedral
- Aaliyah: singer, actress and influential 1990s–2000s R&B artist Aaliyah
- Aaliyah (2001 album) Aaliyah (album)
- Aamir Khan
- Aang — protagonist of Avatar: The Last Airbender Aang
- Aarau: Capital City of the Canton of Aargau, Switzerland Aarau
- Aardonyx — a basal sauropodomorph from the Early Jurassic Aardonyx
- Aardvark (Orycteropus afer): nocturnal African insectivore and burrower Aardvark
- Aardwolf (Proteles cristata): the termite-eating hyena Aardwolf
- Aaron Alexandre (c.1765–1850) — chess player, problemist, and writer Aaron Alexandre
- Aaron Copland (1900–1990): American composer, conductor, and educator Aaron Copland
- Aaron Hunt
- Aaron Klug: Nobel Prize–winning chemist and structural biophysicist Aaron Klug
- Aaron Kwok — Hong Kong Cantopop Dancer, Singer and Actor Aaron Kwok