A day on the globeROENES中文
The Earth on 2 December, with the rays of the day’s events
  1. A birthday on the globe

    2 December on the globe: what happened in the world on this day, and who was born

    For 2 December, the English Wikipedia lists 55 events and 230 births. 24 of the events stand at their places as rays of light; seven 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 2 December

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

    On 2 December the Sun passes straight overhead at noon along the parallel of 21.9° south. In London, the day lasts about 8 hours 10 minutes.

    Beyond 68° south the Sun no longer sets; beyond 68° 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. 2 December

    Europe#

    Six events from the day’s list are placed here, between 1244 and 1943.

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

  4. Europe · Lyon

    1244

    Pope Innocent IV arrives at Lyon for the First Council of Lyon.

    On the map: Lyon.

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

    Wikipedia: Pope Innocent IV

  5. Europe · Coronation of Napoleon

    1804

    At Notre Dame Cathedral in Paris, Napoleon Bonaparte crowns himself Emperor of the French.

    On the map: the coordinates Wikidata gives for the article “Coronation of Napoleon”.

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

    Wikipedia: Coronation of Napoleon

  6. 2 December

    Asia#

    Nine events from the day’s list are placed here, between 1899 and 1989.

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

  7. Asia · Ajman

    1971

    Abu Dhabi, Ajman, Fujairah, Sharjah, Dubai, and Umm al-Quwain form the United Arab Emirates.

    On the map: Ajman.

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

    Wikipedia: Emirate of Abu Dhabi

  8. Asia · Hat Yai

    1989

    The Peace Agreement of Hat Yai is signed and ratified by the Malayan Communist Party (MCP) and the governments of Malaysia and Thailand, ending the over two-decade-long communist insurgency in Malaysia.

    On the map: Hat Yai.

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

    Wikipedia: Hat Yai Peace Agreement

  9. 2 December

    North America#

    10 events from the day’s list are placed here, between 1763 and 2016.

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

  10. North America · Touro Synagogue

    1763

    Dedication of the Touro Synagogue, in Newport, Rhode Island, the first synagogue in what will become the United States.

    On the map: Touro Synagogue.

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

    Wikipedia: Touro Synagogue

  11. North America · Tremont Temple

    1867

    At Tremont Temple in Boston, British author Charles Dickens gives his first public reading in the United States.

    On the map: Tremont Temple.

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

    Wikipedia: Tremont Temple

  12. North America · LaGuardia Airport

    1939

    New York City's LaGuardia Airport opens.

    On the map: LaGuardia Airport.

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

    Wikipedia: LaGuardia Airport

  13. 2 December

    Born on 2 December#

    The English Wikipedia lists 230 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 2 December

    1981

    Britney Spears, American singer-songwriter, dancer, and actress

    Place of birth: McComb.

    Wikipedia: Britney Spears

  15. Born on 2 December

    1923

    Maria Callas, American-Greek soprano and actress (died 1977)

    Place of birth: New York City.

    Wikipedia: Maria Callas

  16. Born on 2 December

    1978

    Nelly Furtado, Canadian singer-songwriter, producer, and actress

    Place of birth: Victoria.

    Wikipedia: Nelly Furtado

  17. Born on 2 December

    1968

    Lucy Liu, American actress and producer

    Place of birth: Jackson Heights.

    Wikipedia: Lucy Liu

  18. Born on 2 December

    1859

    Georges Seurat, French painter (died 1891)

    Place of birth: former 5th arrondissement of Paris.

    Wikipedia: Georges Seurat

  19. Born in Britain and Ireland

    1978

    Christopher Wolstenholme, English singer-songwriter and bass player

    Place of birth: Rotherham.

    Wikipedia: Chris Wolstenholme

  20. Born in Britain and Ireland

    1988

    Alfred Enoch, English actor

    Place of birth: London.

    Wikipedia: Alfred Enoch

  21. Born in Britain and Ireland

    1759

    James Edward Smith, English botanist and mycologist, founded the Linnean Society (died 1828)

    Place of birth: Norwich.

    Wikipedia: James Edward Smith

  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 2 December

The list is the English Wikipedia’s, in its own wording, as it stood in October 2026. 24 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. 1244

    Pope Innocent IV arrives at Lyon for the First Council of Lyon.

    Europe · LyonWikipedia: Pope Innocent IV
  2. 1409

    The University of Leipzig opens.

  3. 1697

    St Paul's Cathedral, rebuilt to the design of Sir Christopher Wren following the Great Fire of London, is consecrated.

    Britain & Ireland · St Paul's CathedralWikipedia: Great Fire of London
  4. 1763

    Dedication of the Touro Synagogue, in Newport, Rhode Island, the first synagogue in what will become the United States.

    North America · Touro SynagogueWikipedia: Touro Synagogue
  5. 1766

    Swedish parliament approves the Swedish Freedom of the Press Act and implements it as a ground law, thus being first in the world with freedom of speech.

  6. 1804

    At Notre Dame Cathedral in Paris, Napoleon Bonaparte crowns himself Emperor of the French.

    Europe · Coronation of NapoleonWikipedia: Coronation of Napoleon
  7. 1805

    War of the Third Coalition: Battle of Austerlitz: French troops under Napoleon decisively defeat a joint Russo-Austrian force.

    Europe · Battle of AusterlitzWikipedia: Battle of Austerlitz
  8. 1823

    Monroe Doctrine: In a State of the Union message, U.S. President James Monroe proclaims American neutrality in future European conflicts, and warns European powers not to interfere in the Americas.

  9. 1845

    Manifest Destiny: In a State of the Union message, U.S. President James K. Polk proposes that the United States should aggressively expand into the West.

  10. 1848

    Franz Joseph I becomes Emperor of Austria.

    no place on the mapWikipedia: Franz Joseph I
  11. 1851

    French President Louis-Napoléon Bonaparte overthrows the Second Republic.

    Europe · French Second RepublicWikipedia: Napoleon III
  12. 1852

    Louis-Napoléon Bonaparte becomes Emperor of the French as Napoleon III.

    no place on the mapWikipedia: Napoleon III
  13. 1859

    Origins of the American Civil War: Militant abolitionist leader John Brown is hanged for his October raid on Harpers Ferry, Virginia (now West Virginia).

    North America · John Brown's raid on Harpers FerryWikipedia: John Brown's raid on Harpers Ferry
  14. 1865

    Alabama ratifies the 13th Amendment to the U.S. Constitution, followed by North Carolina, then Georgia; U.S. slaves were legally free within two weeks.

    North America · AlabamaWikipedia: Alabama
  15. 1867

    At Tremont Temple in Boston, British author Charles Dickens gives his first public reading in the United States.

    North America · Tremont TempleWikipedia: Tremont Temple
  16. 1899

    Philippine–American War: The Battle of Tirad Pass, known as the "Filipino Thermopylae", is fought.

    Asia · Battle of Tirad PassWikipedia: Battle of Tirad Pass
  17. 1908

    Puyi becomes Emperor of China at the age of two.

    no place on the mapWikipedia: Puyi
  18. 1917

    World War I: Russia and the Central Powers sign an armistice at Brest-Litovsk, and peace talks leading to the Treaty of Brest-Litovsk begin.

    Europe · Brest, BelarusWikipedia: World War I
  19. 1919

    Ukrainian War of Independence: Ukrainian Bolsheviks attempt to assassinate Nestor Makhno as part of the Polonsky conspiracy.

  20. 1927

    Following 19 years of Ford Model T production, the Ford Motor Company unveils the Ford Model A as its new automobile.

    no place on the mapWikipedia: Ford Model T
  21. 1930

    Great Depression: In a State of the Union message, U.S. President Herbert Hoover proposes a $150 million public works program to help generate jobs and stimulate the economy.

  22. 1939

    New York City's LaGuardia Airport opens.

    North America · LaGuardia AirportWikipedia: LaGuardia Airport
  23. 1942

    World War II: During the Manhattan Project, a team led by Enrico Fermi initiates the first artificial self-sustaining nuclear chain reaction.

    North America · Chicago Pile-1Wikipedia: World War II
  24. 1943

    World War II: A Luftwaffe bombing raid on the harbour of Bari, Italy, sinks numerous cargo and transport ships, including the American SS John Harvey, which is carrying a stockpile of mustard gas.

    Europe · Air raid on BariWikipedia: Air raid on Bari
  25. 1947

    Jerusalem Riots of 1947: Arabs riot in Jerusalem in response to the United Nations Partition Plan for Palestine.

    Asia · 1947 Jerusalem riotsWikipedia: 1947 Jerusalem riots
  26. 1949

    Convention for the Suppression of the Traffic in Persons and of the Exploitation of the Prostitution of Others is adopted.

  27. 1950

    Korean War: The Battle of the Ch'ongch'on River ends with a decisive Chinese victory and UN forces are completely expelled from North Korea.

    Asia · Battle of the Ch'ongch'on RiverWikipedia: Korean War
  28. 1954

    Cold War: The United States Senate votes 65 to 22 to censure Joseph McCarthy for "conduct that tends to bring the Senate into dishonor and disrepute".

    no place on the mapWikipedia: McCarthyism
  29. 1954

    The Sino-American Mutual Defense Treaty, between the United States and Taiwan, is signed in Washington, D.C.

  30. 1956

    The Granma reaches the shores of Cuba's Oriente Province. Fidel Castro, Che Guevara and 80 other members of the 26th of July Movement disembark to initiate the Cuban Revolution.

    Latin America · CubaWikipedia: Cuban Revolution
  31. 1957

    United Nations Security Council Resolution 126 relating to the Kashmir conflict is adopted.

    Asia · Kashmir conflictWikipedia: Kashmir conflict
  32. 1961

    In a nationally broadcast speech, Cuban leader Fidel Castro declares that he is a Marxist–Leninist and that Cuba will adopt Communism.

    Latin America · CubaWikipedia: Cuba
  33. 1962

    Vietnam War: After a trip to Vietnam at the request of U.S. President John F. Kennedy, U.S. Senate Majority Leader Mike Mansfield becomes the first American official to comment adversely on the war's progress.

    Asia · VietnamWikipedia: Vietnam War
  34. 1968

    Wien Consolidated Airlines Flight 55 crashes into Pedro Bay, Alaska, killing all 39 people on board.

    North America · Wien Consolidated Airlines Flight 55Wikipedia: Wien Consolidated Airlines Flight 55
  35. 1970

    The United States Environmental Protection Agency begins operations.

  36. 1971

    Abu Dhabi, Ajman, Fujairah, Sharjah, Dubai, and Umm al-Quwain form the United Arab Emirates.

    Asia · AjmanWikipedia: Emirate of Abu Dhabi
  37. 1972

    Gough Whitlam is elected the 21st Prime Minister of Australia in the 1972 Australian federal election, defeating William McMahon and leading the Australian Labor Party back into office after 23 years in Opposition.

  38. 1975

    Laotian Civil War: The Pathet Lao seizes the Laotian capital of Vientiane, forces the abdication of King Sisavang Vatthana, and proclaims the Lao People's Democratic Republic.

    Asia · VientianeWikipedia: Laotian Civil War
  39. 1976

    Fidel Castro becomes President of Cuba, replacing Osvaldo Dorticós Torrado.

    no place on the mapWikipedia: Fidel Castro
  40. 1977

    A Tupolev Tu-154 crashes near Benghazi, Libya, killing 59.

    Africa · 1977 Libyan Arab Airlines Tu-154 crashWikipedia: 1977 Libyan Arab Airlines Tu-154 crash
  41. 1980

    Salvadoran Civil War: Four American missionaries are raped and murdered by a death squad.

  42. 1982

    At the University of Utah, Barney Clark becomes the first person to receive a permanent artificial heart.

    North America · University of UtahWikipedia: University of Utah
  43. 1988

    Benazir Bhutto is sworn in as Prime Minister of Pakistan, becoming the first woman to head the government of a Muslim-majority state.

    no place on the mapWikipedia: Benazir Bhutto
  44. 1988

    Space Shuttle Atlantis is launched on STS-27, a classified mission for the United States Department of Defense.

  45. 1989

    The Peace Agreement of Hat Yai is signed and ratified by the Malayan Communist Party (MCP) and the governments of Malaysia and Thailand, ending the over two-decade-long communist insurgency in Malaysia.

    Asia · Hat YaiWikipedia: Hat Yai Peace Agreement
  46. 1990

    Space Shuttle Columbia is launched on STS-35, carrying the ASTRO-1 spacelab observatory.

  47. 1991

    Canada and Poland become the first nations to recognize the independence of Ukraine from the Soviet Union.

    no place on the mapWikipedia: Ukraine
  48. 1992

    Space Shuttle Discovery is launched on STS-53 for the United States Department of Defense.

  49. 1993

    Colombian drug lord Pablo Escobar is shot and killed by police in Medellín.

    Latin America · MedellínWikipedia: Colombia
  50. 1993

    Space Shuttle program: STS-61: NASA launches the Space Shuttle Endeavour on a mission to repair the Hubble Space Telescope.

  51. 1999

    The United Kingdom devolves political power in Northern Ireland to the Northern Ireland Executive following the Good Friday Agreement.

    Britain & Ireland · Northern IrelandWikipedia: Good Friday Agreement
  52. 2001

    Enron files for Chapter 11 bankruptcy.

    no place on the mapWikipedia: Enron scandal
  53. 2015

    San Bernardino attack: Syed Rizwan Farook and Tashfeen Malik kill 14 people and wound 22 at the Inland Regional Center in San Bernardino, California.

    North America · 2015 San Bernardino attackWikipedia: 2015 San Bernardino attack
  54. 2016

    Thirty-six people die in a fire at a converted Oakland, California, warehouse serving as an artist collective.

    North America · Ghost Ship warehouse fireWikipedia: Ghost Ship warehouse fire
  55. 2020

    Cannabis is removed from the list of most dangerous drugs of the international drug control treaty by the UN Commission on Narcotic Drugs.

Who was born on 2 December

In order of how many Wikipedia editions have an article about each. The first 60 of 230 are shown.

  1. 1981

    Britney Spears, American singer-songwriter, dancer, and actress

    McCombWikipedia: Britney Spears
  2. 1923

    Maria Callas, American-Greek soprano and actress (died 1977)

    New York CityWikipedia: Maria Callas
  3. 1978

    Nelly Furtado, Canadian singer-songwriter, producer, and actress

    VictoriaWikipedia: Nelly Furtado
  4. 1825

    Pedro II of Brazil (died 1891)

    Rio de JaneiroWikipedia: Pedro II of Brazil
  5. 1968

    Lucy Liu, American actress and producer

    Jackson HeightsWikipedia: Lucy Liu
  6. 1859

    Georges Seurat, French painter (died 1891)

    former 5th arrondissement of ParisWikipedia: Georges Seurat
  7. 1891

    Otto Dix, German painter and illustrator (died 1969)

    UntermhausWikipedia: Otto Dix
  8. 1930

    Gary Becker, American economist and academic, Nobel Prize laureate (died 2014)

    PottsvilleWikipedia: Gary Becker
  9. 1973

    Monica Seles, Serbian-American tennis player

    Novi SadWikipedia: Monica Seles
  10. 1944

    Ibrahim Rugova, Kosovan journalist and politician, 1st President of Kosovo (died 2006)

    CerrcëWikipedia: Ibrahim Rugova
  11. 1946

    Gianni Versace, Italian fashion designer, founded Versace (died 1997)

    Reggio CalabriaWikipedia: Gianni Versace
  12. 1991

    Charlie Puth, American singer-songwriter and pianist

    RumsonWikipedia: Charlie Puth
  13. 1885

    George Minot, American physician and academic, Nobel Prize laureate (died 1950)

    Wikipedia: George Minot
  14. 1897

    Ivan Bagramyan, Russian general (died 1982)

    ÇardaqlıWikipedia: Ivan Bagramyan
  15. 1989

    Matteo Darmian, Italian footballer

    LegnanoWikipedia: Matteo Darmian
  16. 1934

    Tarcisio Bertone, Italian cardinal

    Romano CanaveseWikipedia: Tarcisio Bertone
  17. 1998

    Juice Wrld, American rapper, singer and songwriter (died 2019)

    ChicagoWikipedia: Juice Wrld
  18. 1939

    Harry Reid, American lawyer and politician, 25th Lieutenant Governor of Nevada (died 2021)

    SearchlightWikipedia: Harry Reid
  19. 1971

    Francesco Toldo, Italian footballer

    PaduaWikipedia: Francesco Toldo
  20. 1948

    Antonín Panenka, Czech footballer

    PragueWikipedia: Antonín Panenka
  21. 1973

    Jan Ullrich, German cyclist

    RostockWikipedia: Jan Ullrich
  22. 1925

    Julie Harris, American actress (died 2013)

    Grosse PointeWikipedia: Julie Harris
  23. 1924

    Alexander Haig, American general and politician, 59th United States Secretary of State (died 2010)

    PhiladelphiaWikipedia: Alexander Haig
  24. 1960

    Deb Haaland, American politician, 54th United States Secretary of the Interior

    WinslowWikipedia: Deb Haaland
  25. 1981

    Danijel Pranjić, Croatian footballer

    NašiceWikipedia: Danijel Pranjić
  26. 1978

    Christopher Wolstenholme, English singer-songwriter and bass player

    RotherhamWikipedia: Chris Wolstenholme
  27. 1901

    Raimundo Orsi, Argentinian-Italian footballer (died 1986)

    AvellanedaWikipedia: Raimundo Orsi
  28. 1958

    George Saunders, American short story writer and essayist

    AmarilloWikipedia: George Saunders
  29. 1990

    Gastón Ramírez, Uruguayan footballer

    Fray BentosWikipedia: Gastón Ramírez
  30. 1950

    Paul Watson, Canadian activist, founded the Sea Shepherd Conservation Society

    TorontoWikipedia: Paul Watson
  31. 1983

    Aaron Rodgers, American football player

    ChicoWikipedia: Aaron Rodgers
  32. 1988

    Alfred Enoch, English actor

    LondonWikipedia: Alfred Enoch
  33. 1983

    Daniela Ruah, Portuguese-American actress

    Wikipedia: Daniela Ruah
  34. 1846

    Pierre Waldeck-Rousseau, French lawyer and politician, 68th Prime Minister of France (died 1904)

    NantesWikipedia: Pierre Waldeck-Rousseau
  35. 1956

    Steven Bauer, Cuban-American actor and producer

    HavanaWikipedia: Steven Bauer
  36. 1977

    Siyabonga Nomvethe, South African footballer

    KwaMashuWikipedia: Siyabonga Nomvethe
  37. 1990

    Emmanuel Agyemang-Badu, Ghanaian footballer

    BerekumWikipedia: Emmanuel Agyemang-Badu
  38. 1759

    James Edward Smith, English botanist and mycologist, founded the Linnean Society (died 1828)

    NorwichWikipedia: James Edward Smith
  39. 1963

    Ann Patchett, American author

    Los AngelesWikipedia: Ann Patchett
  40. 1970

    Joe Lo Truglio, American actor and comedian

    Ozone ParkWikipedia: Joe Lo Truglio
  41. 1915

    Takahito, Prince Mikasa of Japan (died 2016)

  42. 1978

    Jason Collins, American basketball player (died 2026)

    NorthridgeWikipedia: Jason Collins
  43. 1998

    Anna Kalinskaya, Russian tennis player

    MoscowWikipedia: Anna Kalinskaya
  44. 1899

    John Barbirolli, English cellist and conductor (died 1970)

    LondonWikipedia: John Barbirolli
  45. 1924

    Vilgot Sjöman, Swedish actor, director, producer, and screenwriter (died 2006)

    StockholmWikipedia: Vilgot Sjöman
  46. 1954

    Dan Butler, American actor, director, and screenwriter

    HuntingtonWikipedia: Dan Butler
  47. 1979

    Yvonne Catterfeld, German singer-songwriter and actress

    ErfurtWikipedia: Yvonne Catterfeld
  48. 2004

    Ilia Malinin, American competitive figure skater

    FairfaxWikipedia: Ilia Malinin
  49. 1876

    Yusuf Akçura, Tatar-Turkish activist and ideologue of Turanism (died 1935)

    UlyanovskWikipedia: Yusuf Akçura
  50. 1968

    David Batty, English footballer

    LeedsWikipedia: David Batty
  51. 1968

    Rena Sofer, American actress

    ArcadiaWikipedia: Rena Sofer
  52. 1986

    Claudiu Keșerü, Romanian footballer

    OradeaWikipedia: Claudiu Keșerü
  53. 1993

    Kostas Stafylidis, Greek footballer

    ThessalonikiWikipedia: Kostas Stafylidis
  54. 1998

    Annalise Basso, American actress

    St. LouisWikipedia: Annalise Basso
  55. 1944

    Botho Strauß, German author and playwright

    NaumburgWikipedia: Botho Strauss
  56. 1884

    Yahya Kemal Beyatlı, Turkish poet and author (died 1958)

    SkopjeWikipedia: Yahya Kemal Beyatlı
  57. 1931

    Wynton Kelly, American pianist and composer (died 1971)

    BrooklynWikipedia: Wynton Kelly
  58. 1933

    Mike Larrabee, American sprinter and educator (died 2003)

    Los AngelesWikipedia: Mike Larrabee
  59. 1960

    Silk Smitha, Indian film actress

    EluruWikipedia: Silk Smitha
  60. 1738

    Richard Montgomery, Irish-American general (died 1775)

    FeltrimWikipedia: Richard Montgomery

What is celebrated on 2 December

  • Armed Forces Day (Cuba)
  • Christian feast day: Avitus of Rouen
  • Christian feast day: Bibiana
  • Christian feast day: Channing Moore Williams (Anglicanism)
  • Christian feast day: Chromatius
  • Christian feast day: Habakkuk
  • Christian feast day: Blessed Ivan Slezyuk
  • Christian feast day: Blessed Maria Angela Astorch
  • Christian feast day: December 2 (Eastern Orthodox liturgics)
  • International Day for the Abolition of Slavery (United Nations)
  • Lao National Day
  • National Day (United Arab Emirates)
  • Chichibu Night Festival

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