A day on the globeROENES中文
The Earth on 23 May, with the rays of the day’s events
  1. A birthday on the globe

    23 May on the globe: what happened in the world on this day, and who was born

    For 23 May, the English Wikipedia lists 59 events and 223 births. 34 of the events stand at their places as rays of light; five more are dashed circles, where the sentence links only to a country or a sea. The taller the ray, the longer ago it happened. The people born that day come further down, as blue points.

    A birthday, yours or someone else’s:

  2. The Earth on 23 May

    The picture on the globe was assembled by NASA from satellite photographs taken in May 2004: the snow, the ice and the green are those of the month.

    On 23 May the Sun passes straight overhead at noon along the parallel of 20.6° north. In London, the day lasts about 16 hours.

    Beyond 69° north the Sun no longer sets; beyond 69° south it no longer rises.

    The line between day and night is tilted on the globe exactly as on this day of the year. On the dark side you can see the lights of towns.

  3. 23 May

    Europe#

    18 events from the day’s list are placed here, between 1430 and 2021.

    The globe stops at three of them; the whole list is further down. All 18

  4. Europe · Leipzig

    1863

    The General German Workers' Association, a precursor of the modern Social Democratic Party of Germany, is founded in Leipzig, Kingdom of Saxony.

    On the map: Leipzig.

    Also on the day’s list of Wikipedia in Spanish.

    Wikipedia: General German Workers' Association

  5. Europe · Grand Hotel Bucharest

    1971

    The Intercontinental Hotel in Bucharest opens, becoming the second-tallest building in the city.

    On the map: Grand Hotel Bucharest.

    Also on the day’s list of Wikipedia in Romanian.

    Wikipedia: Grand Hotel Bucharest

  6. Europe · International Court of Justice

    2008

    The International Court of Justice (ICJ) awards Middle Rocks to Malaysia and Pedra Branca (Pulau Batu Puteh) to Singapore, ending a 29-year territorial dispute between the two countries.

    On the map: International Court of Justice.

    Wikipedia: International Court of Justice

  7. 23 May

    Asia#

    Six events from the day’s list are placed here, between 1040 and 2017.

    The globe stops at one of them; the whole list is further down. All six

  8. Asia · Beijing

    1951

    Tibetans sign the Seventeen Point Agreement with China.

    On the map: Beijing.

    Wikipedia: Seventeen Point Agreement

  9. 23 May

    North America#

    11 events from the day’s list are placed here, between 1788 and 2014.

    The globe stops at three of them; the whole list is further down. All 11

  10. North America · Astor Library

    1895

    Backed by Samuel J. Tilden, the Astor Library and the Lenox Library agreed to merge and form the New York Public Library.

    On the map: Astor Library.

    Wikipedia: Astor Library

  11. North America · New York Public Library

    1911

    The New York Public Library is dedicated.

    On the map: New York Public Library.

    Also on the day’s list of Wikipedia in Romanian.

    Wikipedia: New York Public Library

  12. North America · New York City

    1980

    The Shining, the psychological horror film directed by Stanley Kubrick, is premiered on 10 screens in New York City and Los Angeles on the Memorial Day weekend.

    On the map: New York City.

    Also on the day’s list of Wikipedia in Chinese.

    Wikipedia: The Shining

  13. 23 May

    Born on 23 May#

    The English Wikipedia lists 223 births for this day. The blue points are the birthplaces of 60 of these people: those written about in the most Wikipedia editions, where Wikidata gives a place of birth.

  14. Born on 23 May

    1707

    Carl Linnaeus, Swedish botanist, physician, and zoologist (died 1778)

    Place of birth: Råshult.

    Wikipedia: Carl Linnaeus

  15. Born on 23 May

    1891

    Pär Lagerkvist, Swedish novelist, playwright, and poet, Nobel Prize laureate (died 1974)

    Place of birth: Växjö.

    Wikipedia: Pär Lagerkvist

  16. Born on 23 May

    1908

    John Bardeen, American physicist and engineer, Nobel Prize laureate (died 1991)

    Place of birth: Madison.

    Wikipedia: John Bardeen

  17. Born on 23 May

    1951

    Anatoly Karpov, Russian chess player

    Place of birth: Zlatoust.

    Wikipedia: Anatoly Karpov

  18. Born on 23 May

    1991

    Lena Meyer-Landrut, German singer-songwriter

    Place of birth: Hanover.

    Wikipedia: Lena Meyer-Landrut

  19. Born in Britain and Ireland

    1933

    Joan Collins, English actress

    Place of birth: London.

    Wikipedia: Joan Collins

  20. Born in Britain and Ireland

    1997

    Joe Gomez, English footballer

    Place of birth: Catford.

    Wikipedia: Joe Gomez

  21. Born in Britain and Ireland

    1967

    Philip Selway, English musician

    Place of birth: Abingdon-on-Thames.

    Wikipedia: Philip Selway

  22. The whole globe of the day

    Drag the globe to turn it. Touch a ray or a point to read what happened there.

Everything Wikipedia lists for 23 May

The list is the English Wikipedia’s, in its own wording, as it stood in October 2026. 20 events have no place on the map: the sentence links to no place with coordinates, only to places too wide to mark, or to several countries.

  1. 1040

    The Seljuks defeat the Ghaznavids in the battle of Dandanaqan.

    Asia · Battle of DandanaqanWikipedia: Battle of Dandanaqan
  2. 1308

    Robert the Bruce, king of Scots, defeats John Comyn, earl of Buchan, decisively in the battle of Inverurie.

    Britain & Ireland · Battle of InverurieWikipedia: Battle of Inverurie
  3. 1430

    Joan of Arc is captured at the Siege of Compiègne by troops from the Burgundian faction.

    Europe · Siege of CompiègneWikipedia: Siege of Compiègne
  4. 1498

    Girolamo Savonarola is burned at the stake in Florence, Italy.

    Europe · FlorenceWikipedia: Girolamo Savonarola
  5. 1533

    The marriage of King Henry VIII to Catherine of Aragon is declared null and void.

    no place on the mapWikipedia: Henry VIII
  6. 1555

    Gian Pietro Carafa became Pope Paul IV, beginning a tumultuous four-year papacy during which the Papal States suffered a serious military defeat.

    Europe · Papal StatesWikipedia: Pope Paul IV
  7. 1568

    Dutch rebels led by Louis of Nassau defeat Jean de Ligne and his loyalist troops in the Battle of Heiligerlee, opening the Eighty Years' War.

    Europe · Battle of HeiligerleeWikipedia: Battle of Heiligerlee
  8. 1609

    Official ratification of the Second Virginia Charter takes place.

  9. 1618

    The Third Defenestration of Prague precipitates the Thirty Years' War.

  10. 1706

    John Churchill, 1st Duke of Marlborough, defeats a French army under Marshal François de Neufville, duc de Villeroy at the Battle of Ramillies.

    Europe · Battle of RamilliesWikipedia: Battle of Ramillies
  11. 1788

    South Carolina became the eighth state to ratify the United States Constitution.

    North America · South CarolinaWikipedia: South Carolina
  12. 1793

    Battle of Famars during the Flanders Campaign of the War of the First Coalition.

    Europe · Battle of FamarsWikipedia: Battle of Famars
  13. 1829

    Accordion patent granted to Cyrill Demian in Vienna, Austrian Empire.

    Europe · ViennaWikipedia: Accordion
  14. 1844

    Báb: A merchant of Shiraz announces that he is a Prophet and founds a religious movement. He is considered to be a forerunner of the Baháʼí Faith.

    no place on the mapWikipedia: Báb
  15. 1846

    Mexican–American War: President Mariano Paredes of Mexico unofficially declares war on the United States.

  16. 1862

    American Civil War: Confederate troops under Stonewall Jackson defeated a Union force at the Battle of Front Royal in Virginia, taking around 700 prisoners.

    North America · Battle of Front RoyalWikipedia: American Civil War
  17. 1863

    The General German Workers' Association, a precursor of the modern Social Democratic Party of Germany, is founded in Leipzig, Kingdom of Saxony.

    Europe · LeipzigWikipedia: General German Workers' Association
  18. 1873

    The Canadian Parliament establishes the North-West Mounted Police, the forerunner of the Royal Canadian Mounted Police.

  19. 1895

    Backed by Samuel J. Tilden, the Astor Library and the Lenox Library agreed to merge and form the New York Public Library.

    North America · Astor LibraryWikipedia: Astor Library
  20. 1900

    American Civil War: Sergeant William Harvey Carney is awarded the Medal of Honor for his heroism in the Assault on the Battery Wagner in 1863.

    North America · Fort WagnerWikipedia: American Civil War
  21. 1905

    Abdul Hamid II, Sultan of the Ottoman Empire, publicly announces the creation of the Ullah millet for the Aromanians of the empire, which had been established one day earlier. For this reason, the Aromanian National Day is usually celebrated on May 23, although some do so on May 22 instead.

    no place on the mapWikipedia: Abdul Hamid II
  22. 1907

    The unicameral Parliament of Finland gathers for its first plenary session.

  23. 1911

    The New York Public Library is dedicated.

    North America · New York Public LibraryWikipedia: New York Public Library
  24. 1915

    World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.

    Britain & Ireland · LondonWikipedia: World War I
  25. 1919

    Sheikh Mahmud Barzanji, a Kurdish sheikh and at-the-time governor of the Slêmanî Province of British Iraq, initiates the first Mahmud Barzanji revolt.

  26. 1932

    In Brazil, four students are shot and killed during a manifestation against the Brazilian dictator Getúlio Vargas, which resulted in the outbreak of the Constitutionalist Revolution several weeks later.

  27. 1934

    American bank robbers Bonnie and Clyde are ambushed by police and killed in Bienville Parish, Louisiana.

    North America · Bienville Parish, LouisianaWikipedia: Bank robbery
  28. 1934

    The Auto-Lite strike culminates in the "Battle of Toledo", a five-day melée between 1,300 troops of the Ohio National Guard and 6,000 picketers.

    no place on the mapWikipedia: Auto-Lite strike
  29. 1939

    The U.S. Navy submarine USS Squalus sinks off the coast of New Hampshire during a test dive, causing the death of 24 sailors and two civilian technicians. The remaining 32 sailors and one civilian naval architect are rescued the following day.

    North America · New HampshireWikipedia: United States Navy
  30. 1941

    World War II: German paratroopers start a series of mass executions of Greek civilians in Missiria for their participation in the ongoing Battle of Crete.

    Europe · Missiria executionsWikipedia: World War II
  31. 1945

    World War II: Germany's Flensburg Government under Karl Dönitz is dissolved when its members are arrested by British forces.

  32. 1945

    World War II: Heinrich Himmler, head of the Schutzstaffel, commits suicide while in Allied custody.

    no place on the mapWikipedia: Heinrich Himmler
  33. 1946

    The start of a two-day tornado outbreak across the Central United States that spawned at least 15 significant tornadoes.

  34. 1948

    Thomas C. Wasson, the US Consul-General, is assassinated in Jerusalem, Israel.

    Asia · JerusalemWikipedia: Thomas C. Wasson
  35. 1949

    Cold War: The Western occupying powers approve the Basic Law and establish a new German state, the Federal Republic of Germany.

  36. 1951

    Tibetans sign the Seventeen Point Agreement with China.

    Asia · BeijingWikipedia: Seventeen Point Agreement
  37. 1960

    A tsunami caused by an earthquake in Chile the previous day kills 61 people in Hilo, Hawaii.

    Latin America · 1960 Valdivia earthquakeWikipedia: 1960 Valdivia earthquake
  38. 1971

    Seventy-eight people are killed when Aviogenex Flight 130 crashes on approach to Rijeka Airport in present-day Rijeka, Croatia (then the Socialist Federal Republic of Yugoslavia).

    Europe · Aviogenex Flight 130Wikipedia: Aviogenex Flight 130
  39. 1971

    The Intercontinental Hotel in Bucharest opens, becoming the second-tallest building in the city.

    Europe · Grand Hotel BucharestWikipedia: Grand Hotel Bucharest
  40. 1974

    The Airbus A300, the first twin-engined wide-body airliner, went into service with Air France.

    no place on the mapWikipedia: Air France
  41. 1978

    A Tupolev Tu-144 crashes near the Russian town of Yegoryevsk, killing two.

    Europe · 1978 Yegoryevsk Tupolev Tu-144 crashWikipedia: 1978 Yegoryevsk Tupolev Tu-144 crash
  42. 1980

    The Shining, the psychological horror film directed by Stanley Kubrick, is premiered on 10 screens in New York City and Los Angeles on the Memorial Day weekend.

    North America · New York CityWikipedia: The Shining
  43. 1991

    Aeroflot Flight 8556 crashes at Pulkovo Airport, killing 13.

    Europe · Aeroflot Flight 8556Wikipedia: Aeroflot Flight 8556
  44. 1992

    Italy's most prominent anti-mafia judge Giovanni Falcone, his wife and three body guards are killed by the Corleonesi clan with a half-ton bomb near Capaci, Sicily. His friend and colleague Paolo Borsellino will be assassinated less than two months later, making 1992 a turning point in the history of Italian Mafia prosecutions.

    Europe · CapaciWikipedia: Giovanni Falcone
  45. 1995

    The first version of the Java programming language is released.

    no place on the mapWikipedia: Java
  46. 1998

    The Good Friday Agreement is accepted in a referendum in Northern Ireland with roughly 75% voting yes.

    Britain & Ireland · Northern IrelandWikipedia: Good Friday Agreement
  47. 1999

    Professional wrestler Owen Hart died immediately before a World Wrestling Federation match after dropping 70 feet (21 m) onto the ring during a botched entrance.

    no place on the mapWikipedia: Over the Edge
  48. 2002

    The "55 parties" clause of the Kyoto Protocol is reached after its ratification by Iceland.

    Europe · IcelandWikipedia: Kyoto Protocol
  49. 2006

    Alaskan stratovolcano Mount Cleveland erupts.

    North America · Mount ClevelandWikipedia: Stratovolcano
  50. 2008

    The International Court of Justice (ICJ) awards Middle Rocks to Malaysia and Pedra Branca (Pulau Batu Puteh) to Singapore, ending a 29-year territorial dispute between the two countries.

    Europe · International Court of JusticeWikipedia: International Court of Justice
  51. 2013

    A freeway bridge carrying Interstate 5 over the Skagit River collapses in Mount Vernon, Washington.

    North America · I-5 Skagit River bridge collapseWikipedia: I-5 Skagit River bridge collapse
  52. 2014

    Seven people, including the perpetrator, are killed and another 14 injured in the Isla Vista attacks near the campus of University of California, Santa Barbara.

    North America · Isla Vista attacksWikipedia: Isla Vista attacks
  53. 2015

    At least 30 people are killed as a result of floods and tornadoes in Texas, Oklahoma, and northern Mexico.

  54. 2016

    Eight bombings are carried out by the Islamic State of Iraq and Syria in Jableh and Tartus, coastline cities in Syria. One hundred eighty-four people are killed and at least 200 people injured.

    Asia · JablehWikipedia: Islamic State
  55. 2016

    Two suicide bombings, conducted by the Islamic State of Iraq and Syria, kill at least 45 potential army recruits in Aden, Yemen.

    Asia · AdenWikipedia: Islamic State
  56. 2017

    Philippine President Rodrigo Duterte declares martial law in Mindanao, following the Maute's attack in Marawi.

    Asia · Siege of MarawiWikipedia: Siege of Marawi
  57. 2021

    A cable car falls from a mountain near Lake Maggiore in northern Italy, killing 14 people.

    Europe · Stresa–Mottarone cable car crashWikipedia: Stresa–Mottarone cable car crash
  58. 2021

    Ryanair Flight 4978 is forced to land by Belarusian authorities to detain dissident journalist Roman Protasevich.

    Europe · Minsk National AirportWikipedia: Ryanair Flight 4978
  59. 2022

    Anthony Albanese of the Australian Labor Party is sworn in as the 31st Prime Minister of Australia after winning the 2022 Australian federal election, ending 9 years of conservative rule.

Who was born on 23 May

In order of how many Wikipedia editions have an article about each. The first 60 of 223 are shown.

  1. 1707

    Carl Linnaeus, Swedish botanist, physician, and zoologist (died 1778)

    RåshultWikipedia: Carl Linnaeus
  2. 1891

    Pär Lagerkvist, Swedish novelist, playwright, and poet, Nobel Prize laureate (died 1974)

    VäxjöWikipedia: Pär Lagerkvist
  3. 1908

    John Bardeen, American physicist and engineer, Nobel Prize laureate (died 1991)

    MadisonWikipedia: John Bardeen
  4. 1951

    Anatoly Karpov, Russian chess player

    ZlatoustWikipedia: Anatoly Karpov
  5. 1991

    Lena Meyer-Landrut, German singer-songwriter

    HanoverWikipedia: Lena Meyer-Landrut
  6. 1949

    Alan García, Peruvian lawyer and politician, twice President of Peru (died 2019)

    LimaWikipedia: Alan García
  7. 1900

    Hans Frank, German lawyer and politician (died 1946)

    KarlsruheWikipedia: Hans Frank
  8. 1972

    Rubens Barrichello, Brazilian race car driver

    São PauloWikipedia: Rubens Barrichello
  9. 1052

    Philip I of France (died 1108)

    Champagne-et-FontaineWikipedia: Philip I of France
  10. 1848

    Otto Lilienthal, German pilot and engineer (died 1896)

    AnklamWikipedia: Otto Lilienthal
  11. 1883

    Douglas Fairbanks, American actor, director, producer, and screenwriter (died 1939)

    DenverWikipedia: Douglas Fairbanks
  12. 1933

    Joan Collins, English actress

    LondonWikipedia: Joan Collins
  13. 1810

    Margaret Fuller, American journalist and critic (died 1850)

    CambridgeWikipedia: Margaret Fuller
  14. 1925

    Joshua Lederberg, American biologist and geneticist, Nobel Prize laureate (died 2008)

    MontclairWikipedia: Joshua Lederberg
  15. 1951

    Antonis Samaras, Greek economist and politician, 185th Prime Minister of Greece

    AthensWikipedia: Antonis Samaras
  16. 1961

    Daniele Massaro, Italian footballer and manager

    MonzaWikipedia: Daniele Massaro
  17. 1844

    ʻAbdu'l-Bahá, Iranian religious leader (died 1921)

    TehranWikipedia: ʻAbdu'l-Bahá
  18. 1790

    Jules Dumont d'Urville, French admiral and explorer (died 1842)

    Condé-sur-NoireauWikipedia: Jules Dumont d'Urville
  19. 1734

    Franz Mesmer, German physician and astrologer (died 1815)

    IznangWikipedia: Franz Mesmer
  20. 1934

    Robert Moog, electronic engineer and inventor of the Moog synthesizer (died 2005)

    New York CityWikipedia: Robert Moog
  21. 1928

    Rosemary Clooney, American singer and actress (died 2002)

    MaysvilleWikipedia: Rosemary Clooney
  22. 1997

    Joe Gomez, English footballer

    CatfordWikipedia: Joe Gomez
  23. 1958

    Drew Carey, American actor, game show host, and entrepreneur

    ClevelandWikipedia: Drew Carey
  24. 1984

    Hugo Almeida, Portuguese footballer

    Figueira da FozWikipedia: Hugo Almeida
  25. 1980

    Theofanis Gekas, Greek footballer

    LarissaWikipedia: Theofanis Gekas
  26. 1944

    John Newcombe, Australian tennis player and sportscaster

    SydneyWikipedia: John Newcombe
  27. 1988

    Angelo Ogbonna, Italian footballer

    CassinoWikipedia: Angelo Ogbonna
  28. 1917

    Edward Norton Lorenz, American mathematician and meteorologist (died 2008)

    West HartfordWikipedia: Edward Norton Lorenz
  29. 1971

    George Osborne, English journalist and politician, former Chancellor of the Exchequer

    PaddingtonWikipedia: George Osborne
  30. 1974

    Jewel, American singer-songwriter, guitarist, actress, and poet

    PaysonWikipedia: Jewel
  31. 1986

    Ryan Coogler, American film director and screenwriter

    OaklandWikipedia: Ryan Coogler
  32. 1965

    Tom Tykwer, German director, producer, screenwriter, and composer

    WuppertalWikipedia: Tom Tykwer
  33. 1987

    Bray Wyatt, American wrestler (died 2023)

    BrooksvilleWikipedia: Bray Wyatt
  34. 1865

    Epitácio Pessoa, Brazilian jurist and politician, 11th President of Brazil (died 1942)

    UmbuzeiroWikipedia: Epitácio Pessoa
  35. 1884

    Corrado Gini, Italian sociologist and demographer (died 1965)

    Motta di LivenzaWikipedia: Corrado Gini
  36. 1896

    Felix Steiner, Russian-German SS officer (died 1966)

    NesterovWikipedia: Felix Steiner
  37. 1910

    Artie Shaw, American clarinet player, composer, and bandleader (died 2004)

    New York CityWikipedia: Artie Shaw
  38. 1950

    Martin McGuinness, Irish republican and Sinn Féin politician, Deputy First Minister of Northern Ireland (died 2017)

    DerryWikipedia: Martin McGuinness
  39. 1965

    Manuel Sanchís Hontiyuelo, Spanish footballer

    MadridWikipedia: Manolo Sanchís
  40. 1965

    Melissa McBride, American actress

    LexingtonWikipedia: Melissa McBride
  41. 1996

    Çağlar Söyüncü, Turkish footballer

    İzmirWikipedia: Çağlar Söyüncü
  42. 1967

    Philip Selway, English musician

    Abingdon-on-ThamesWikipedia: Philip Selway
  43. 1966

    H. Jon Benjamin, American actor, comedian, writer, and producer

    WorcesterWikipedia: H. Jon Benjamin
  44. 1974

    Manuela Schwesig, German politician, German Federal Minister of Family Affairs

    Frankfurt (Oder)Wikipedia: Manuela Schwesig
  45. 1924

    Karlheinz Deschner, German author and activist (died 2014)

    BambergWikipedia: Karlheinz Deschner
  46. 2001

    Brennan Johnson, Welsh footballer

    NottinghamWikipedia: Brennan Johnson
  47. 1824

    Ambrose Burnside, American general and politician, 30th Governor of Rhode Island (died 1881)

    LibertyWikipedia: Ambrose Burnside
  48. 1898

    Josef Terboven, German soldier and politician (died 1945)

    EssenWikipedia: Josef Terboven
  49. 1996

    Răzvan Marin, Romanian footballer

    BucharestWikipedia: Răzvan Marin
  50. 1729

    Giuseppe Parini, Italian poet and educator (died 1799)

    Bosisio PariniWikipedia: Giuseppe Parini
  51. 1919

    Betty Garrett, American actress, singer, and dancer (died 2011)

    St. JosephWikipedia: Betty Garrett
  52. 1931

    Barbara Barrie, American actress

    ChicagoWikipedia: Barbara Barrie
  53. 1977

    Richard Ayoade, British actor, director and writer

    HammersmithWikipedia: Richard Ayoade
  54. 1985

    Sebastián Fernández, Uruguayan footballer

    MontevideoWikipedia: Sebastián Fernández
  55. 1617

    Elias Ashmole, English astrologer and politician (died 1692)

    LichfieldWikipedia: Elias Ashmole
  56. 1908

    Annemarie Schwarzenbach, Swiss author and photographer (died 1942)

    ZurichWikipedia: Annemarie Schwarzenbach
  57. 1910

    Scatman Crothers, American actor and comedian (died 1986)

    Terre HauteWikipedia: Scatman Crothers
  58. 1910

    Franz Kline, American painter and academic (died 1962)

    Wilkes-BarreWikipedia: Franz Kline
  59. 1923

    Alicia de Larrocha, Catalan-Spanish pianist (died 2009)

    BarcelonaWikipedia: Alicia de Larrocha
  60. 1952

    Martin Parr, English photographer and journalist

    EpsomWikipedia: Martin Parr

What is celebrated on 23 May

  • Aromanian National Day
  • Christian feast day: Aaron the Illustrious (Syriac Orthodox Church)
  • Christian feast day: Desiderius of Vienne
  • Christian feast day: Giovanni Battista de' Rossi
  • Christian feast day: Julia of Corsica
  • Christian feast day: Michael of Synnada
  • Christian feast day: Nicolaus Copernicus and Johannes Kepler (Episcopal Church (USA))
  • Christian feast day: Quintian, Lucius and Julian
  • Christian feast day: William of Perth
  • Christian feast day: May 23 (Eastern Orthodox liturgics)
  • Constitution Day (Germany)
  • Labour Day (Jamaica)
  • Students' Day (Mexico)
  • World Turtle Day

A greeting link for someone

Type a name and, if you like, the year of birth. The link opens with a greeting, and beside each event it says how old the person turned that day, or how many years before their birth it happened.

The name and the year go only into the link you send.

Download the day’s picture

All 366 days

How the globe is made

Where the events come from

Each edition of this page uses the day’s list from Wikipedia in its own language: Romanian, English, Spanish, Chinese. The lists are written by volunteers and differ from one edition to the next; the text of each event is Wikipedia’s, with a link to the article. A row that appears twice in a list is shown once. The lists have not been checked event by event: they are Wikipedia’s, mistakes included.

For events before 1582, and for countries that moved to the Gregorian calendar later (Britain in 1752, Russia in 1918), the same day may be counted Old Style in one list and New Style in another.

The chapter “What the other Wikipedias remember” adds up to five events a day from the lists of the other three editions, only for years in which the English list has nothing on that day. They were translated for this page, passed the same filters as the tour, and are not counted among the events of the English list.

How an event gets onto the map

The place comes from Wikidata. If the sentence links to the article about the event itself (a battle, an opening, an earthquake), dated to the same year, the ray stands on its coordinates or on those of its location. Otherwise it stands on the first place the sentence links to: a town, a building, a mountain, an island. This second step can be wrong: sometimes the sentence only mentions the place. That is why the page says, under each event, which place the ray stands on.

When the sentence links to a single state or province, or to a single sea, lake or desert larger than 5,000 km², the globe shows a dashed circle, not a ray. The circle has the area Wikidata gives, with its radius kept between 1.2° and 16°, or a radius of 4.5° when Wikidata gives no area; it says only that the sentence links to that place. Organisations, ships, spacecraft, museum objects, rivers, mountain ranges, languages and continents are never used as places. When a sentence names several states and no exact place, the event stays in the list only.

What the height means

The height of a ray shows how many years have passed, on a logarithmic scale: 10 years, 100 years and 1,000 years are equal steps apart; anything older than about 2,600 years has the tallest ray. The colour runs from pale yellow for recent years to violet for antiquity.

Where the tour stops

In each region the tour stops at up to three events (five in Britain and Ireland), chosen mainly by three things: whether Wikipedia’s editors put the event in the “On this day” box of their main page (the English, Spanish and Chinese editions), how many Wikipedia editions have an article about it, and how many of the four lists include it. Events whose sentence or article is about a war, an attack, a crime or a disaster are left out of the tour; they stay in the whole list, in Wikipedia’s wording. The filter is a list of words and a list of Wikidata types, so it can miss some.

The tour of births names the people with articles in the most editions and leaves aside those whom the list or Wikidata describes as rulers, politicians, commanders, leaders of movements or criminals; they stay in the list.

The Earth and the Sun

The daytime images are NASA’s Blue Marble Next Generation mosaics, one for each month of 2004; the night side is Black Marble 2016. The tilt of the line between day and night is computed for the day; the hour is chosen so that the place being read is in daylight. The latitude where the Sun stands overhead is the average of the four years of the leap cycle; in a given year it can differ by up to 0.4°.

The day you were born

The number ones come from the weekly lists on Wikipedia: Billboard for the United States (from 1940; the Hot 100 from August 1958), the UK Singles Chart (from November 1952), Los 40 Principales for Spain (from July 1966) and, for Romania, the Romanian Top 100 and Airplay 100 (2001–2021, with missing weeks). The page shows the chart of the week in which the day of birth falls, with its date; Billboard and the UK chart are dated at the end of their week. For Romania before 2001 and for China these sources have no weekly chart.

The films are those that reached cinemas in the United States up to ten days before or three days after that day (some of them in a few cinemas at first), from the English Wikipedia’s yearly lists (from 1968), in order of how many editions have an article about them. The events “in those days” are the ones on the neighbouring days’ lists that carry the year of birth, passed through the same filter as the tour.

The day of birth, year included

The Moon, the star sign and the constellation are worked out by the page itself, for noon Universal Time on the day. The lit part of the Moon is rounded and can differ by a few per cent from that at the hour of birth. The sign follows the usual zodiac of twelve equal parts starting at the March equinox; the constellation is the one the Sun actually stood in front of, by the borders set by the International Astronomical Union, and within a day of a border the page does not name it. When the Sun changes sign while it is that day anywhere on Earth, the page gives the moment of crossing, rounded to ten minutes and accurate to within about a quarter of an hour, and the clock time in a few cities, with the time zone and summer time of that year.

The year in the Chinese calendar is the one your device’s own calendar gives for the date, checked against the Hong Kong Observatory’s tables. “All your birthdays” uses the same sources as the rest of the chapter for the same day in every year since the birth: the temperature, well-known launches that took place on that very day, matches of the teams the edition follows, snow deeper than 10 cm and strong geomagnetic storms. The three things at the top and the four on the picture are chosen in a fixed order (the song, the animal, a full Moon, a well-known launch before an ordinary earthquake); on the picture you can change them.

When the link carries a year of birth, the page adds a few things about that exact day. The weather is the Met Office’s Central England temperature record and the readings from New York’s Central Park; the “usual high” is the average of the daily highs of 1961–1990 for that date, with two days either side. The carbon dioxide figure is the monthly mean at the Mauna Loa observatory, where measurements begin in March 1958.

The earthquake is the one with the largest magnitude in the USGS catalogue for that day, counted in Universal Time. Before the 1960s the catalogue has gaps even above magnitude 5.5, so in the older years many days have no earthquake. The page gives only the magnitude and the place: the country the epicentre falls in or, when the epicentre is at sea within 300 km of a coast, the nearest country; farther out, only the ocean.

The launches are those that reached orbit or left for the Moon and the planets, from Jonathan McDowell’s GCAT catalogue. If nothing left that day, the page shows the nearest launch within three days before or after, and says how many days away it was. The geomagnetic storm appears only when the Kp index reached at least 5 in one of the day’s eight three-hour intervals.

The animal comes from GBIF: an observation made by a person (the animal seen or heard, or its tracks), dated to that exact day, with coordinates and a CC0 or CC BY licence. Only a few hundred well-known species are searched (mammals, birds, turtles, butterflies); of those noted that day, mammals and species with articles in many Wikipedia editions come first; birds noted almost every day, and species used recently, wait their turn. Observations dated 1 January are left out, because records without a day are often filed there. An observation shows that the animal was recorded there, not how many animals there were.

The matches are those between national teams. Only matches of England, Scotland, Wales, Northern Ireland, the Republic of Ireland, the United States, Canada and Australia are shown, along with those at the big final tournaments. The picture to send is drawn in the page from the day’s globe and the facts above, and stays on your device until you send it.

Sources

More pages about birthdays