A day on the globeROENES中文
The Earth on 19 October, with the rays of the day’s events
  1. A birthday on the globe

    19 October on the globe: what happened in the world on this day, and who was born

    For 19 October, the English Wikipedia lists 61 events and 254 births. 24 of the events stand at their places as rays of light; two 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 19 October

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

    On 19 October the Sun passes straight overhead at noon along the parallel of 9.9° south. In London, the day lasts about 10 hours 30 minutes.

    Beyond 80° south the Sun no longer sets; beyond 80° north 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. 19 October

    Europe#

    10 events from the day’s list are placed here, between 1386 and 2025.

    The globe stops at two of them; the whole list is further down. All 10

  4. Europe · Heidelberg University

    1386

    The Universität Heidelberg holds its first lecture, making it the oldest German university.

    On the map: Heidelberg University.

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

    Wikipedia: Heidelberg University

  5. Europe · Drottningholm

    1791

    Treaty of Drottningholm, between Sweden and Russia

    On the map: Drottningholm.

    Wikipedia: Treaty of Drottningholm

  6. 19 October

    North America#

    Five events from the day’s list are placed here, between 1781 and 2004.

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

  7. North America · Presidents North Carolina Gave the Nation

    1948

    Presidents North Carolina Gave the Nation, a monument honoring three presidents of the United States, was dedicated at the North Carolina State Capitol in Raleigh, North Carolina.

    On the map: Presidents North Carolina Gave the Nation.

    Wikipedia: Presidents North Carolina Gave the Nation

  8. 19 October

    What the other Wikipedias remember#

    For these years the English list has nothing on this day. The events below come from the same day’s lists on Wikipedia in Romanian and were translated for this page.

  9. From Wikipedia in Romanian · Dresden

    1845

    The opera Tannhäuser by the composer Richard Wagner premieres in Dresden, Germany.

    On the map: Dresden.

    Translated from the list on Wikipedia in Romanian.

    The article on Wikipedia in Romanian: Tannhäuser

  10. 19 October

    Born on 19 October#

    The English Wikipedia lists 254 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.

  11. Born on 19 October

    1899

    Miguel Ángel Asturias, Guatemalan journalist, author, and poet, Nobel Prize laureate (died 1974)

    Place of birth: Guatemala City.

    Wikipedia: Miguel Ángel Asturias

  12. Born on 19 October

    1910

    Subrahmanyan Chandrasekhar, Indian-American astrophysicist, astronomer, and mathematician, Nobel Prize laureate (died 1995)

    Place of birth: Lahore.

    Wikipedia: Subrahmanyan Chandrasekhar

  13. Born on 19 October

    1946

    Philip Pullman, English author and academic

    Place of birth: Norwich.

    Wikipedia: Philip Pullman

  14. Born on 19 October

    1433

    Marsilio Ficino, Italian astrologer and philosopher (died 1499)

    Place of birth: Figline Valdarno.

    Wikipedia: Marsilio Ficino

  15. Born on 19 October

    1940

    Michael Gambon, Irish-British actor (died 2023)

    Place of birth: Dublin.

    Wikipedia: Michael Gambon

  16. Born in Britain and Ireland

    1945

    Angus Deaton, Scottish-American economist and academic, Nobel Prize laureate

    Place of birth: Edinburgh.

    Wikipedia: Angus Deaton

  17. Born in Britain and Ireland

    1605

    Thomas Browne, English physician and author (died 1682)

    Place of birth: London.

    Wikipedia: Thomas Browne

  18. Born in Britain and Ireland

    1954

    Sam Allardyce, English footballer and manager

    Place of birth: Dudley.

    Wikipedia: Sam Allardyce

  19. 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 19 October

The list is the English Wikipedia’s, in its own wording, as it stood in October 2026. 35 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. 202 BC

    Second Punic War: At the Battle of Zama, Roman legions under Scipio Africanus defeat Hannibal Barca, leader of the army defending Carthage.

    Africa · Battle of ZamaWikipedia: Battle of Zama
  2. 439

    The Vandals, led by King Gaiseric, take Carthage in North Africa.

    no place on the mapWikipedia: Gaiseric
  3. 1386

    The Universität Heidelberg holds its first lecture, making it the oldest German university.

    Europe · Heidelberg UniversityWikipedia: Heidelberg University
  4. 1453

    Hundred Years' War: Three months after the Battle of Castillon, England loses its last possessions in southern France.

    Europe · Battle of CastillonWikipedia: Battle of Castillon
  5. 1466

    The Thirteen Years' War between Poland and the Teutonic Order ends with the Second Treaty of Thorn.

    Europe · ToruńWikipedia: Second Peace of Thorn
  6. 1469

    Ferdinand II of Aragon marries Isabella I of Castile, a marriage that paves the way to the unification of Aragon and Castile into a single country, Spain.

  7. 1512

    Martin Luther becomes a doctor of theology.

    no place on the mapWikipedia: Martin Luther
  8. 1579

    James VI of Scotland is celebrated as an adult ruler by a festival in Edinburgh.

  9. 1596

    The Spanish ship San Felipe runs aground on the coast of Japan and its cargo is confiscated by local authorities.

    Asia · ShikokuWikipedia: San Felipe incident
  10. 1649

    New Ross town in Ireland surrenders to Oliver Cromwell.

    Britain & Ireland · New RossWikipedia: New Ross
  11. 1662

    An English Buccaneer force led by Royal Navy commodore Christopher Myngs launches an attack on Santiago de Cuba which is subsequently sacked.

  12. 1752

    The Pennsylvania Gazette published a statement by Benjamin Franklin describing a kite experiment to determine the electrical nature of lightning.

  13. 1781

    American Revolutionary War: The siege of Yorktown comes to an end.

    North America · Siege of YorktownWikipedia: Siege of Yorktown
  14. 1789

    John Jay is sworn in as the first Chief Justice of the United States.

    no place on the mapWikipedia: John Jay
  15. 1791

    Treaty of Drottningholm, between Sweden and Russia

    Europe · DrottningholmWikipedia: Treaty of Drottningholm
  16. 1805

    War of the Third Coalition: Austrian General Mack surrenders his army to Napoleon at the Battle of Ulm.

    Europe · Battle of UlmWikipedia: Battle of Ulm
  17. 1812

    The French invasion of Russia fails when Napoleon begins his retreat from Moscow.

  18. 1813

    War of the Sixth Coalition: Napoleon is forced to retreat from Germany after the Battle of Leipzig.

    Europe · Battle of LeipzigWikipedia: Battle of Leipzig
  19. 1847

    The novel Jane Eyre is published in London.

    no place on the mapWikipedia: Jane Eyre
  20. 1864

    American Civil War: Confederate agents based in Canada rob three banks in Saint Albans, Vermont.

    North America · St. Albans RaidWikipedia: St. Albans Raid
  21. 1864

    American Civil War: The Battle of Cedar Creek ends the last Confederate threat to Washington, DC.

    North America · Battle of Cedar CreekWikipedia: American Civil War
  22. 1866

    In accordance with the Treaty of Vienna, Austria cedes Veneto and Mantua to France, which immediately awards them to Italy in exchange for the earlier Italian acquiescence to the French annexation of Savoy and Nice.

    Europe · ViennaWikipedia: Treaty of Vienna
  23. 1900

    Max Planck discovers Planck's law of black-body radiation.

    no place on the mapWikipedia: Max Planck
  24. 1912

    Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.

    no place on the mapWikipedia: Italo-Turkish War
  25. 1914

    World War I: The First Battle of Ypres begins.

    Europe · First Battle of YpresWikipedia: World War I
  26. 1921

    The Portuguese Prime Minister and several officials are murdered in the Bloody Night coup.

    no place on the mapWikipedia: Bloody Night
  27. 1922

    British Conservative MPs vote to terminate the coalition government with the Liberal Party.

  28. 1935

    The League of Nations places economic sanctions on Italy for its invasion of Ethiopia.

  29. 1936

    New York World-Telegram reporter Herbert Ekins won a race against two other New York newspaper journalists to travel around the world on commercial airline flights. He accomplished the feat in 18 ½ days. His opponents were New York Evening Journal reporter Dorothy Kilgallen, who finished in second place, and New York Times reporter Leo Kieran.

  30. 1943

    Streptomycin, the first antibiotic remedy for tuberculosis, is isolated by researchers at Rutgers University.

    no place on the mapWikipedia: Streptomycin
  31. 1943

    The cargo vessel Sinfra is attacked by Allied aircraft at Crete and sunk. Two thousand and ninety-eight Italian prisoners of war drown with it.

    no place on the mapWikipedia: MS Sinfra
  32. 1944

    A coup is launched against Juan Federico Ponce Vaides, beginning the ten-year Guatemalan Revolution.

  33. 1944

    United States forces land in the Philippines.

    Asia · Battle of LeyteWikipedia: Battle of Leyte
  34. 1948

    Presidents North Carolina Gave the Nation, a monument honoring three presidents of the United States, was dedicated at the North Carolina State Capitol in Raleigh, North Carolina.

    North America · Presidents North Carolina Gave the NationWikipedia: Presidents North Carolina Gave the Nation
  35. 1950

    China defeats the Tibetan Army at Chambo.

    Asia · Battle of ChamdoWikipedia: Battle of Chamdo
  36. 1950

    Iran becomes the first country to accept technical assistance from the United States under the Point Four Program.

  37. 1950

    Korean War: The Battle of Pyongyang ends in a United Nations victory. Hours later, the Chinese Army begins crossing the border into Korea.

    Asia · Battle of PyongyangWikipedia: Battle of Pyongyang
  38. 1953

    Ray Bradbury's Fahrenheit 451 is published.

    no place on the mapWikipedia: Ray Bradbury
  39. 1955

    The General Assembly of the European Broadcasting Union approves the staging of the first Eurovision Song Contest.

  40. 1956

    The Soviet Union and Japan sign a Joint Declaration, officially ending the state of war between the two countries that had existed since August 1945.

  41. 1960

    The United States imposes a near-total trade embargo against Cuba.

  42. 1965

    A group of ethnic Hutu military officers failed in their attempt to overthrow the Burundian government.

  43. 1965

    Vietnam War: The Siege of Plei Me began with the first major confrontation between soldiers of the North Vietnamese Army and the U.S. Army.

    Asia · Siege of Plei MeWikipedia: Vietnam War
  44. 1973

    President Nixon rejects an Appeals Court decision that he turn over the Watergate tapes.

  45. 1974

    Niue becomes a self-governing colony of New Zealand.

  46. 1986

    The president of Mozambique and a prominent leader of FRELIMO, along with 33 others, die when their aircraft crashes into the Lebombo Mountains.

    Africa · 1986 Mozambican Tupolev Tu-134 crashWikipedia: 1986 Mozambican Tupolev Tu-134 crash
  47. 1987

    Black Monday: The Dow Jones Industrial Average falls by 22%, 508 points.

    no place on the mapWikipedia: Black Monday
  48. 1987

    The United States Navy conducts Operation Nimble Archer, an attack on two Iranian oil platforms in the Persian Gulf.

    Asia · Persian GulfWikipedia: Operation Nimble Archer
  49. 1988

    The British government imposes a broadcasting ban on television and radio interviews with members of Sinn Féin and eleven Irish republican and Ulster loyalist paramilitary groups.

  50. 1989

    The convictions of the Guildford Four are quashed by the Court of Appeal of England and Wales, after they had spent 15 years in prison.

  51. 2001

    SIEV X, an Indonesian fishing boat en route to Christmas Island, carrying over 400 migrants, sinks in international waters with the loss of 353 people.

    no place on the mapWikipedia: SIEV X
  52. 2003

    Mother Teresa is beatified by Pope John Paul II.

    no place on the mapWikipedia: Mother Teresa
  53. 2004

    Thirteen people are killed when Corporate Airlines Flight 5966 crashes in Adair County, Missouri, while on approach to Kirksville Regional Airport.

    North America · Corporate Airlines Flight 5966Wikipedia: Corporate Airlines Flight 5966
  54. 2005

    Hurricane Wilma becomes the most intense Atlantic hurricane on record with a minimum pressure of 882 mb.

    no place on the mapWikipedia: Hurricane Wilma
  55. 2005

    Saddam Hussein goes on trial in Baghdad for crimes against humanity.

    no place on the mapWikipedia: Saddam Hussein
  56. 2012

    A bomb explosion kills eight people and injures 110 more in Lebanon.

    Asia · BeirutWikipedia: Assassination of Wissam al-Hassan
  57. 2013

    British YouTube collective the Sidemen were formed as a Rockstar Games Social Club group in Grand Theft Auto Online.

    no place on the mapWikipedia: YouTube
  58. 2013

    One hundred and five people are injured in a train crash in Buenos Aires.

  59. 2017

    Canadian astronomer Robert Weryk discovered ʻOumuamua, the first known interstellar object detected passing through the Solar System.

    no place on the mapWikipedia: Robert Weryk
  60. 2019

    Members of Parliament met at the House of Lords to discuss the United Kingdom's Brexit deal, this was the first Saturday sitting in Parliament since 3 April 1982 during the Falklands War.

    Latin America · Falklands WarWikipedia: Falklands War
  61. 2025

    Pieces of the French Crown Jewels are successfully stolen during a heist on the Louvre Museum in Paris..

    Europe · 2025 Louvre heistWikipedia: 2025 Louvre heist

What the other Wikipedias remember

For these years the English list has nothing on this day. The events below come from the same day’s lists on Wikipedia in Romanian and were translated for this page.

  1. 1845

    The opera Tannhäuser by the composer Richard Wagner premieres in Dresden, Germany.

    Europe · DresdenTranslated from the list on Wikipedia in RomanianWikipedia: Tannhäuser

Who was born on 19 October

In order of how many Wikipedia editions have an article about each. The first 60 of 254 are shown.

  1. 1899

    Miguel Ángel Asturias, Guatemalan journalist, author, and poet, Nobel Prize laureate (died 1974)

    Guatemala CityWikipedia: Miguel Ángel Asturias
  2. 1910

    Subrahmanyan Chandrasekhar, Indian-American astrophysicist, astronomer, and mathematician, Nobel Prize laureate (died 1995)

  3. 1931

    John le Carré, English intelligence officer and author (died 2020)

    PooleWikipedia: John le Carré
  4. 1946

    Philip Pullman, English author and academic

    NorwichWikipedia: Philip Pullman
  5. 1433

    Marsilio Ficino, Italian astrologer and philosopher (died 1499)

    Figline ValdarnoWikipedia: Marsilio Ficino
  6. 1940

    Michael Gambon, Irish-British actor (died 2023)

    DublinWikipedia: Michael Gambon
  7. 1945

    John Lithgow, American actor

    RochesterWikipedia: John Lithgow
  8. 1966

    Jon Favreau, American actor, director, and screenwriter

    QueensWikipedia: Jon Favreau
  9. 1969

    Pedro Castillo, Peruvian politician, President of Peru

    PuñaWikipedia: Pedro Castillo
  10. 1983

    Rebecca Ferguson, Swedish actress

    StockholmWikipedia: Rebecca Ferguson
  11. 1945

    Angus Deaton, Scottish-American economist and academic, Nobel Prize laureate

    EdinburghWikipedia: Angus Deaton
  12. 1605

    Thomas Browne, English physician and author (died 1682)

    LondonWikipedia: Thomas Browne
  13. 1916

    Jean Dausset, French-Spanish immunologist and academic, Nobel Prize laureate (died 2009)

    ToulouseWikipedia: Jean Dausset
  14. 1882

    Umberto Boccioni, Italian painter and sculptor (died 1916)

    Reggio CalabriaWikipedia: Umberto Boccioni
  15. 1969

    Trey Parker, American actor, animator, producer, and screenwriter

    ConiferWikipedia: Trey Parker
  16. 1981

    Heikki Kovalainen, Finnish race car driver

    SuomussalmiWikipedia: Heikki Kovalainen
  17. 1958

    Hiromi Hara, Japanese footballer and manager

    KuroisoWikipedia: Hiromi Hara
  18. 1944

    Peter Tosh, Jamaican singer-songwriter and guitarist (died 1987)

    Grange HillWikipedia: Peter Tosh
  19. 1960

    Takeshi Koshida, Japanese footballer

    KanazawaWikipedia: Takeshi Koshida
  20. 1895

    Lewis Mumford, American historian, sociologist, and philosopher (died 1990)

    FlushingWikipedia: Lewis Mumford
  21. 1913

    Vinicius de Moraes, Brazilian poet, playwright, and composer (died 1980)

    Gávea DistrictWikipedia: Vinicius de Moraes
  22. 1962

    Evander Holyfield, American boxer and actor

    AtmoreWikipedia: Evander Holyfield
  23. 1954

    Sam Allardyce, English footballer and manager

    DudleyWikipedia: Sam Allardyce
  24. 1961

    Sunny Deol, Indian actor and producer

    SahnewalWikipedia: Sunny Deol
  25. 1976

    Omar Gooding, American actor and producer

    Los AngelesWikipedia: Omar Gooding
  26. 1945

    Divine, American drag queen performer, and actor (died 1988)

    BaltimoreWikipedia: Divine
  27. 1934

    Yakubu Gowon, Nigerian general and politician, 3rd Head of State of Nigeria

    KankeWikipedia: Yakubu Gowon
  28. 1977

    Jason Reitman, Canadian-American director, producer, and screenwriter

    MontrealWikipedia: Jason Reitman
  29. 1989

    Miroslav Stoch, Slovak footballer

    NitraWikipedia: Miroslav Stoch
  30. 1784

    Leigh Hunt, English poet and critic (died 1859)

    SouthgateWikipedia: Leigh Hunt
  31. 1916

    Emil Gilels, Ukrainian-Russian pianist (died 1985)

    OdesaWikipedia: Emil Gilels
  32. 1858

    George Albert Boulenger, Belgian-English zoologist and botanist (died 1937)

    BrusselsWikipedia: George Albert Boulenger
  33. 1909

    Marguerite Perey, French physicist and academic (died 1975)

    ChicagoWikipedia: Marguerite Perey
  34. 1927

    Pierre Alechinsky, Belgian painter and illustrator

    BrusselsWikipedia: Pierre Alechinsky
  35. 1973

    Okan Buruk, Turkish footballer and manager

    IstanbulWikipedia: Okan Buruk
  36. 1952

    Verónica Castro, Mexican actress and singer

    Mexico CityWikipedia: Verónica Castro
  37. 1962

    Tracy Chevalier, American-English author

    Washington, D.C.Wikipedia: Tracy Chevalier
  38. 1959

    Nir Barkat, Israeli businessman and politician, Mayor of Jerusalem

    JerusalemWikipedia: Nir Barkat
  39. 1976

    Desmond Harrington, American actor

    SavannahWikipedia: Desmond Harrington
  40. 1977

    Habib Beye, French-Senegalese footballer

    SuresnesWikipedia: Habib Beye
  41. 1982

    Gillian Jacobs, American actress and director

    PittsburghWikipedia: Gillian Jacobs
  42. 1977

    Raúl Tamudo, Spanish footballer

    Santa Coloma de GramenetWikipedia: Raúl Tamudo
  43. 1925

    Czesław Kiszczak, Polish general and politician, 11th Prime Minister of the People's Republic of Poland (died 2015)

    RoczynyWikipedia: Czesław Kiszczak
  44. 1582

    Dmitry of Uglich, Russian crown prince and saint (died 1591)

    MoscowWikipedia: Dmitry of Uglich
  45. 1910

    Farid al-Atrash, Syrian actor and singer (died 1980)

    SuwaydaWikipedia: Farid al-Atrash
  46. 1914

    Juanita Moore, American actress (died 2014)

    GreenwoodWikipedia: Juanita Moore
  47. 1918

    Russell Kirk, American theorist and author (died 1994)

    PlymouthWikipedia: Russell Kirk
  48. 1956

    Carlo Urbani, Italian physician (died 2003)

    CastelplanioWikipedia: Carlo Urbani
  49. 1978

    Enrique Bernoldi, Brazilian race car driver

    CuritibaWikipedia: Enrique Bernoldi
  50. 1958

    Michael Steele, American journalist and politician, 7th Lieutenant Governor of Maryland

    Joint Base AndrewsWikipedia: Michael Steele
  51. 1992

    Lil Durk, American rapper

    ChicagoWikipedia: Lil Durk
  52. 1966

    Dimitris Lyacos, Greek poet and playwright

    AthensWikipedia: Dimitris Lyacos
  53. 1967

    Yoko Shimomura, Japanese pianist and composer

    Hyōgo PrefectureWikipedia: Yoko Shimomura
  54. 1984

    Danka Barteková, Slovak skeet shooter

    TrenčínWikipedia: Danka Barteková
  55. 1969

    Erwin Sánchez, Bolivian footballer and manager

    Santa Cruz de la SierraWikipedia: Erwin Sánchez
  56. 1970

    Chris Kattan, American actor, producer, and screenwriter

    Culver CityWikipedia: Chris Kattan
  57. 1976

    Hiroshi Sakai, Japanese footballer

    Mie PrefectureWikipedia: Hiroshi Sakai
  58. 1989

    Mindaugas Kuzminskas, Lithuanian basketball player

    VilniusWikipedia: Mindaugas Kuzminskas
  59. 1276

    Prince Hisaaki of Japan (died 1328)

    Heian-kyōWikipedia: Prince Hisaaki
  60. 1658

    Adolphus Frederick II, Duke of Mecklenburg-Strelitz (died 1704)

    GrabowWikipedia: Adolphus Frederick II

What is celebrated on 19 October

  • Christian feast day: Aaron (Coptic Orthodox Church of Alexandria)
  • Christian feast day: Aquilinus of Évreux
  • Christian feast day: Desiderius (Didier) of Auxerre
  • Christian feast day: Frideswide
  • Christian feast day: Henry Martyn (Anglican Communion)
  • Christian feast day: Isaac Jogues, Jean de Brébeuf, and Companions
  • Christian feast day: Blessed Jerzy Popiełuszko
  • Christian feast day: Paul of the Cross
  • Christian feast day: Ptolemaeus and Lucius
  • Christian feast day: Varus
  • Christian feast day: Veranus of Cavaillon
  • Christian feast day: William Carey (Episcopal Church)
  • Christian feast day: October 19 (Eastern Orthodox liturgics)
  • Constitution Day, in honor of the country's independence (self-governing in free association with New Zealand) in 1974. (Niue)

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