A birthday on the globe
10 October on the globe: what happened in the world on this day, and who was born
For 10 October, the English Wikipedia lists 56 events and 261 births. 30 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:
Turn it into a greetingScroll: the globe turns to each place
The day you were born, on the globe.
Three things from your day
Scroll: your day first, then 10 October through the years
The Earth on 10 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 10 October the Sun passes straight overhead at noon along the parallel of 6.6° south. In London, the day lasts about 11 hours 5 minutes.
Beyond 83° south the Sun no longer sets; beyond 83° 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.
Europe · 1920 Carinthian plebiscite
1920
The Carinthian plebiscite determines that the larger part of the Duchy of Carinthia should remain part of Austria.
On the map: the coordinates Wikidata gives for the article “1920 Carinthian plebiscite”.
Europe · Munich Agreement
1938
Abiding by the Munich Agreement, Czechoslovakia completes its withdrawal from the Sudetenland.
On the map: the coordinates Wikidata gives for the article “Munich Agreement”.
Also on the day’s list of Wikipedia in Spanish.
Europe · Moscow
1967
The Outer Space Treaty comes into force.
On the map: Moscow.
Also on the day’s list of Wikipedia in Chinese.
Africa · Bizerte
1963
France cedes control of the Bizerte naval base to Tunisia.
On the map: Bizerte.
Also on the day’s list of Wikipedia in Spanish.
Asia · Hagia Sophia
415
The second church structure of Hagia Sophia was inaugurated.
On the map: Hagia Sophia.
Asia · Vidyasagar Setu
1992
After 20 years of construction, Vidyasagar Setu, the longest cable-stayed bridge in India, opened, joining Kolkata and Howrah.
On the map: Vidyasagar Setu.
Also on the day’s list of Wikipedia in Chinese.
North America · Annapolis, Maryland
1845
In Annapolis, Maryland, the Naval School (later the United States Naval Academy) opens with 50 students.
On the map: Annapolis, Maryland.
Also on the day’s list of Wikipedia in Spanish.
10 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.
From Wikipedia in Romanian · Windsor Castle
1361
Joan of Kent marries Edward of Woodstock, the Black Prince, at Windsor Castle.
On the map: Windsor Castle.
Translated from the list on Wikipedia in Romanian.
10 October
Born on 10 October#
The English Wikipedia lists 261 births for this day. The blue points are the birthplaces of 59 of these people: those written about in the most Wikipedia editions, where Wikidata gives a place of birth.
Born on 10 October
1813
Giuseppe Verdi, Italian composer and philanthropist (died 1901)
Place of birth: Le Roncole.
Born on 10 October
1861
Fridtjof Nansen, Norwegian explorer, scientist, and humanitarian, Nobel Prize laureate (died 1930)
Place of birth: Vestre Aker.
Born on 10 October
1930
Harold Pinter, English playwright, screenwriter, director Nobel Prize laureate (died 2008)
Place of birth: London.
Born on 10 October
1913
Claude Simon, Malagasy-French novelist and critic, Nobel Prize laureate (died 2005)
Place of birth: Antananarivo.
Born on 10 October
1731
Henry Cavendish, French-English chemist, physicist, and philosopher (died 1810)
Place of birth: Nice.
Born in Britain and Ireland
1946
Charles Dance, English actor, director, and screenwriter
Place of birth: Redditch.
Born in Britain and Ireland
1966
Tony Adams, English footballer and manager
Place of birth: Romford.
Born in Britain and Ireland
1982
Dan Stevens, English actor
Place of birth: Croydon.
10 October
Number one in the charts that week
At the cinema
An animal recorded that day
The record can be seen in GBIF, which brings together wildlife records from around the world.
All your birthdays
The weather that day
Data: Met Office Hadley Centre (HadCET); NOAA (GHCN-Daily, Mauna Loa).
Above the Earth
Sources: Jonathan McDowell, GCAT (launches); GFZ Potsdam (Kp index). Days are counted in Universal Time.
Football that day
International matches played that day:
Source: the “International football results” dataset kept by Mart Jürisoo (CC0).
Also that day
The earthquake’s page at the USGS
Source: the USGS catalogue. The day is counted in Universal Time (UTC).
In those days
Make a link for someone
Type the name, pick the day and the year of birth. The link opens straight on their day, with their name in the greeting.
The link carries the name, date and place typed here; anyone who gets it can see them.
Put another birthday beside it
Your mother’s, your child’s, a friend’s: the two days appear side by side.
Below: 10 October through the years.
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 10 October
The list is the English Wikipedia’s, in its own wording, as it stood in October 2026. 21 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.
- 19
The Roman general Germanicus dies near Antioch. He was convinced that the mysterious illness that ended in his death was a result of poisoning by the Syrian governor Gnaeus Calpurnius Piso, whom he had ordered to leave the province.
no place on the mapWikipedia: Germanicus - 415
The second church structure of Hagia Sophia was inaugurated.
Asia · Hagia SophiaWikipedia: Hagia Sophia - 680
The Battle of Karbala marks the martyrdom of Husayn ibn Ali.
Asia · Battle of KarbalaWikipedia: Battle of Karbala - 732
Charles Martel's forces defeat an Umayyad army near Tours, France.
Europe · Battle of ToursWikipedia: Battle of Tours - 1471
Sten Sture the Elder, the Regent of Sweden, with the help of farmers and miners, repels an attack by King Christian I of Denmark.
Europe · Battle of BrunkebergWikipedia: Battle of Brunkeberg - 1492
The crew of Christopher Columbus's ship, the Santa Maria, attempt a mutiny.
no place on the mapWikipedia: Christopher Columbus - 1507
The Kingdom of Hormuz recognises the sovereignty of the Portuguese king following a battle with the forces of Afonso de Albuquerque.
Asia · Hormuz IslandWikipedia: Portuguese conquest of Hormuz - 1575
Roman Catholic forces under Henry I, Duke of Guise, defeat the Protestants, capturing Philippe de Mornay among others.
Europe · DormansWikipedia: Battle of Dormans - 1580
Over 600 Papal troops land in Ireland to support the Second Desmond Rebellion.
Britain & Ireland · Kingdom of IrelandWikipedia: Second Desmond Rebellion - 1760
In a treaty with the Dutch colonial authorities, the Ndyuka people of Suriname – descended from escaped slaves – gain territorial autonomy.
no place on the mapWikipedia: Ndyuka people - 1780
The Great Hurricane of 1780 kills 20,000–30,000 in the Caribbean.
Oceans · North Atlantic OceanWikipedia: Great Hurricane of 1780 - 1814
War of 1812: The United States Revenue Marine attempts to defend the cutter Eagle from the Royal Navy.
North America · Defense of the cutter EagleWikipedia: Defense of the cutter Eagle - 1845
In Annapolis, Maryland, the Naval School (later the United States Naval Academy) opens with 50 students.
North America · Annapolis, MarylandWikipedia: United States Naval Academy - 1846
Triton, the largest moon of the planet Neptune, is discovered by English astronomer William Lassell.
no place on the mapWikipedia: Triton - 1868
The Ten Years' War begins against Spanish rule in Cuba.
no place on the mapWikipedia: Ten Years' War - 1903
The Women's Social and Political Union is founded in support of the enfranchisement of British women.
no place on the mapWikipedia: Women's Social and Political Union - 1911
The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
Asia · Wuchang UprisingWikipedia: Wuchang Uprising - 1913
U.S. President Woodrow Wilson triggers the explosion of the Gamboa Dike, completing major construction on the Panama Canal.
no place on the mapWikipedia: Woodrow Wilson - 1918
RMS Leinster is torpedoed and sunk by UB-123, killing 564, the largest loss of life on the Irish Sea.
no place on the mapWikipedia: RMS Leinster - 1920
The Carinthian plebiscite determines that the larger part of the Duchy of Carinthia should remain part of Austria.
Europe · 1920 Carinthian plebisciteWikipedia: 1920 Carinthian plebiscite - 1928
Chiang Kai-shek becomes Chairman of the Republic of China.
no place on the mapWikipedia: Chiang Kai-shek - 1933
A United Airlines Boeing 247 is destroyed by sabotage, the first such proven case in the history of commercial aviation.
North America · United Air Lines Flight 23Wikipedia: United Air Lines Flight 23 - 1935
In Greece, a coup d'état ends the Second Hellenic Republic.
Europe · Second Hellenic RepublicWikipedia: Coup d'état - 1938
Abiding by the Munich Agreement, Czechoslovakia completes its withdrawal from the Sudetenland.
Europe · Munich AgreementWikipedia: Munich Agreement - 1943
World War II: The Kempeitai, the military police arm of the Imperial Japanese Army, arrested and tortured fifty-seven civilians and civilian internees on suspicion of their involvement in a raid on Singapore Harbour.
Asia · Double Tenth incidentWikipedia: Double Tenth incident - 1945
The Double Tenth Agreement is signed by the Communist Party and the Kuomintang about the future of China.
no place on the mapWikipedia: Double Tenth Agreement - 1954
The Minister of Foreign Affairs of the Sultanate of Muscat, Neil Innes, sends a signal to the Sultanate's forces, accompanied with oil explorers, to penetrate Fahud, marking the beginning of Jebel Akhdar War.
Asia · FahudWikipedia: Jebel Akhdar War - 1957
The Windscale fire results in Britain's worst nuclear accident.
Britain & Ireland · Windscale fireWikipedia: Windscale fire - 1957
U.S. President Dwight D. Eisenhower apologizes to Ghanaian finance minister Komla Agbeli Gbedemah after he is refused service in a Delaware restaurant.
no place on the mapWikipedia: Dwight D. Eisenhower - 1963
France cedes control of the Bizerte naval base to Tunisia.
Africa · BizerteWikipedia: Bizerte - 1963
The Partial Nuclear Test Ban Treaty comes into effect.
Europe · MoscowWikipedia: Partial Nuclear Test Ban Treaty - 1964
The Tokyo Summer Olympics opening ceremony is the first to be relayed live by satellites.
no place on the mapWikipedia: 1964 Summer Olympics - 1967
The Outer Space Treaty comes into force.
Europe · MoscowWikipedia: Outer Space Treaty - 1969
King Crimson releases their debut album, In the Court of the Crimson King.
no place on the mapWikipedia: King Crimson - 1970
Canada's October Crisis escalates when Quebec Vice Premier Pierre Laporte is kidnapped by members of the Front de libération du Québec.
North America · October CrisisWikipedia: October Crisis - 1970
Fiji becomes independent.
Oceania · FijiWikipedia: Fiji - 1971
Aeroflot Flight 773 is destroyed by a bomb over Moscow Oblast, killing 25.
Europe · Aeroflot Flight 773Wikipedia: Aeroflot Flight 773 - 1973
U.S. Vice President Spiro Agnew resigns after being charged with evasion of federal income tax.
no place on the mapWikipedia: Spiro Agnew - 1975
Papua New Guinea joins the United Nations.
Oceania · Papua New GuineaWikipedia: Papua New Guinea - 1979
The Olkiluoto Nuclear Power Plant began operations in Eurajoki, Satakunta, Finland.
Europe · Olkiluoto Nuclear Power PlantWikipedia: Olkiluoto Nuclear Power Plant - 1980
The 7.1 Mw El Asnam earthquake shakes northern Algeria, killing 2,633 and injuring 8,369.
Africa · 1980 El Asnam earthquakeWikipedia: 1980 El Asnam earthquake - 1980
The Farabundo Martí National Liberation Front is founded in El Salvador.
no place on the mapWikipedia: Farabundo Martí National Liberation Front - 1985
US Navy aircraft intercept an Egyptian airliner carrying the perpetrators of the Achille Lauro hijacking, and force it to land in Italy.
no place on the mapWikipedia: Achille Lauro hijacking - 1986
A 5.7 Mw San Salvador earthquake shakes El Salvador, killing 1,500.
Latin America · 1986 San Salvador earthquakeWikipedia: 1986 San Salvador earthquake - 1992
After 20 years of construction, Vidyasagar Setu, the longest cable-stayed bridge in India, opened, joining Kolkata and Howrah.
Asia · Vidyasagar SetuWikipedia: Vidyasagar Setu - 1997
Austral Líneas Aéreas Flight 2553 crashes and explodes in Uruguay, killing 74.
Latin America · Austral Líneas Aéreas Flight 2553Wikipedia: Austral Líneas Aéreas Flight 2553 - 1998
A Lignes Aériennes Congolaises jetliner is shot down by rebels in Kindu, Democratic Republic of the Congo, killing 41 people.
Africa · KinduWikipedia: 1998 Congo Airlines Boeing 727 crash - 2002
Iraq War: The United States Congress approves the Authorization for Use of Military Force Against Iraq Resolution of 2002.
North America · United States CongressWikipedia: Iraq War - 2004
Eight-year-old Huang Na was abducted and murdered; her body was found three weeks later after a search across Singapore and Malaysia.
no place on the mapWikipedia: Murder of Huang Na - 2007
Sheikh Muszaphar Shukor becomes the first Malaysian in space on board Soyuz TMA-11.
no place on the mapWikipedia: Sheikh Muszaphar Shukor - 2009
Armenia and Turkey sign the Zurich Protocols, intended to normalize relations. However, they are never ratified by either side.
no place on the mapWikipedia: Zurich Protocols - 2010
The Netherlands Antilles are dissolved as a country.
Oceans · Netherlands AntillesWikipedia: Netherlands Antilles - 2015
Twin bomb blasts in the Turkish capital Ankara kill 109 and injure 500+.
Asia · 2015 Ankara bombingsWikipedia: 2015 Ankara bombings - 2018
Hurricane Michael makes landfall in the Florida Panhandle as a catastrophic Category 5 hurricane. It kills 57 people in the United States, 45 in Florida, and causes an estimated $25.1 billion in damage.
North America · Florida panhandleWikipedia: Hurricane Michael - 2018
The National Fire and Rescue Administration is founded, replacing the China Fire Services [zh] and the People's Armed Police Forestry Corps [zh] as China's primary firefighting agency.
no place on the mapWikipedia: National Fire and Rescue Administration - 2022
Ben S. Bernanke, Douglas W. Diamond and Philip H. Dybvig are jointly awarded the Nobel Memorial Prize in Economic Sciences.
no place on the mapWikipedia: Nobel Memorial Prize in Economic Sciences
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.
- 1361
Joan of Kent marries Edward of Woodstock, the Black Prince, at Windsor Castle.
Britain & Ireland · Windsor CastleTranslated from the list on Wikipedia in RomanianWikipedia: Castelul Windsor
Who was born on 10 October
In order of how many Wikipedia editions have an article about each. The first 60 of 261 are shown.
- 1813
Giuseppe Verdi, Italian composer and philanthropist (died 1901)
Le RoncoleWikipedia: Giuseppe Verdi - 1861
Fridtjof Nansen, Norwegian explorer, scientist, and humanitarian, Nobel Prize laureate (died 1930)
Vestre AkerWikipedia: Fridtjof Nansen - 1930
Harold Pinter, English playwright, screenwriter, director Nobel Prize laureate (died 2008)
LondonWikipedia: Harold Pinter - 1946
Naoto Kan, Japanese lawyer and politician, 61st Prime Minister of Japan
- 1913
Claude Simon, Malagasy-French novelist and critic, Nobel Prize laureate (died 2005)
AntananarivoWikipedia: Claude Simon - 1731
Henry Cavendish, French-English chemist, physicist, and philosopher (died 1810)
- 1830
Isabella II of Spain (died 1904)
MadridWikipedia: Isabella II - 1900
Helen Hayes, American actress (died 1993)
Washington, D.C.Wikipedia: Helen Hayes - 1991
Xherdan Shaqiri, Swiss footballer
- 1684
Jean-Antoine Watteau, French painter (died 1721)
ValenciennesWikipedia: Antoine Watteau - 1936
Gerhard Ertl, German physicist and chemist, Nobel Prize laureate
StuttgartWikipedia: Gerhard Ertl - 1901
Alberto Giacometti, Swiss sculptor and painter (died 1966)
BorgonovoWikipedia: Alberto Giacometti - 1917
Thelonious Monk, American pianist and composer (died 1982)
Rocky MountWikipedia: Thelonious Monk - 1834
Aleksis Kivi, Finnish author and playwright (died 1872)
PalojokiWikipedia: Aleksis Kivi - 1908
Mercè Rodoreda, Catalan author and poet (died 1983)
BarcelonaWikipedia: Mercè Rodoreda - 1930
Yves Chauvin, French chemist and academic, Nobel Prize laureate (died 2015)
- 1954
Rekha, Indian actress
ChennaiWikipedia: Rekha - 1946
Charles Dance, English actor, director, and screenwriter
RedditchWikipedia: Charles Dance - 1967
Gavin Newsom, American businessman and politician, 40th and current Governor of California
San FranciscoWikipedia: Gavin Newsom - 1825
Paul Kruger, South African soldier and politician, 5th President of the South African Republic (died 1904)
Cape ColonyWikipedia: Paul Kruger - 1906
R. K. Narayan, Indian author (died 2001)
ChennaiWikipedia: R. K. Narayan - 1950
Nora Roberts, American author
Silver SpringWikipedia: Nora Roberts - 1954
Fernando Santos, Portuguese footballer and manager
- 1966
Tony Adams, English footballer and manager
RomfordWikipedia: Tony Adams - 1994
Bae Suzy, South Korean singer, actress and model
GwangjuWikipedia: Bae Suzy - 1957
Rumiko Takahashi, Japanese author and illustrator
NiigataWikipedia: Rumiko Takahashi - 1941
Ken Saro-Wiwa, Nigerian author and activist (died 1995)
- 1956
Taur Matan Ruak, East Timorese politician, 3rd President of East Timor
Osso HunaWikipedia: Taur Matan Ruak - 1924
Ed Wood, American actor, director, producer, screenwriter (died 1978)
PoughkeepsieWikipedia: Ed Wood - 1982
Dan Stevens, English actor
CroydonWikipedia: Dan Stevens - 1985
Marina Diamandis, Welsh singer-songwriter and pianist
BrynmawrWikipedia: Marina Diamandis - 1965
Chris Penn, American actor (died 2006)
Los AngelesWikipedia: Chris Penn - 1971
Evgeny Kissin, Russian pianist
MoscowWikipedia: Evgeny Kissin - 1770
Adam Johann von Krusenstern Imperial Russian Admiral and explorer (died 1846)
Hagudi manorWikipedia: Adam Johann von Krusenstern - 1967
Michael Giacchino, American composer
RiversideWikipedia: Michael Giacchino - 1924
James Clavell, Australian-American director, producer, screenwriter, and author (died 1994)
SydneyWikipedia: James Clavell - 1966
Bai Ling, Chinese-American model and actress
ChengduWikipedia: Bai Ling - 1332
King Charles II of Navarre (died 1387)
- 1954
David Lee Roth, American singer-songwriter and producer
BloomingtonWikipedia: David Lee Roth - 1967
Jonathan Littell, American-French author and humanitarian
New York CityWikipedia: Jonathan Littell - 1560
Jacobus Arminius, Dutch theologian (died 1609)
OudewaterWikipedia: Jacobus Arminius - 1895
Wolfram Freiherr von Richthofen, German field marshal (died 1945)
BartoszówekWikipedia: Wolfram von Richthofen - 1959
Bradley Whitford, American actor and producer
MadisonWikipedia: Bradley Whitford - 1974
Julio Ricardo Cruz, Argentinian footballer
Santiago del EsteroWikipedia: Julio Cruz - 1979
Nicolás Massú, Chilean tennis player
Viña del MarWikipedia: Nicolás Massú - 1941
Peter Coyote, American actor, director, and screenwriter
ManhattanWikipedia: Peter Coyote - 786
Saga, emperor of Japan (died 842)
- 1984
Chiaki Kuriyama, Japanese actress and singer
TsuchiuraWikipedia: Chiaki Kuriyama - 1991
Lali Espósito, Argentinian actress and singer
Buenos AiresWikipedia: Lali Espósito - 1738
Benjamin West, American painter (died 1820)
Springfield TownshipWikipedia: Benjamin West - 1889
Han van Meegeren, Dutch painter and forger (died 1947)
DeventerWikipedia: Han van Meegeren - 1942
Radu Vasile, Romanian historian and politician, 57th Prime Minister of Romania (died 2013)
- 1948
Séverine, French singer and actress
6th arrondissement of ParisWikipedia: Séverine - 1963
Daniel Pearl, American-Israeli journalist (died 2002)
PrincetonWikipedia: Daniel Pearl - 1978
Jodi Lyn O'Keefe, American model and actress
Cliffwood BeachWikipedia: Jodi Lyn O'Keefe - 1991
Gabriella Cilmi, Australian singer-songwriter and producer
City of Greater DandenongWikipedia: Gabriella Cilmi - 1486
Charles III, Duke of Savoy (died 1553)
Chazey-sur-AinWikipedia: Charles III of Savoy - 1969
Manu Bennett, New Zealand-Australian actor
RotoruaWikipedia: Manu Bennett - 1969
Brett Favre, American football player
GulfportWikipedia: Brett Favre - 1895
Alfred Neuland, Estonian weightlifter (died 1966)
What is celebrated on 10 October
- Aleksis Kivi Day, also known as the Finnish Literature Day (Finland)
- Arbor Day (Poland)
- Army Day (Sri Lanka)
- Capital Liberation Day (Vietnam)
- Christian feast day: Blessed Angela Truszkowska
- Christian feast day: Cerbonius
- Christian feast day: Daniele Comboni
- Christian feast day: Blessed Edward Detkens
- Christian feast day: Eulampius and Eulampia
- Christian feast day: Gereon and companions
- Christian feast day: Blessed María Catalina Irigoyen Echegaray (Maria Desposorios)
- Christian feast day: Paulinus of York (in England)
- Christian feast day: Pinytus
- Christian feast day: Tanca
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.
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
- Events, births and holidays: the day’s page on Wikipedia, text under CC BY-SA 4.0.
- Coordinates, places of birth and the number of editions: Wikidata (CC0).
- The Earth by day: NASA Blue Marble Next Generation. The Earth by night: NASA Black Marble 2016.
- Borders and regions: Natural Earth.
- World population and births per year: UN World Population Prospects 2024.
- Charts and films: Wikipedia’s lists for Billboard, the UK Singles Chart, Los 40 Principales, Romanian Top 100, Airplay 100 and American films by year (CC BY-SA 4.0).
- Weather: Met Office Hadley Centre, HadCET (Open Government Licence) and NOAA GHCN-Daily, New York Central Park. Carbon dioxide: NOAA Global Monitoring Laboratory, Mauna Loa.
- Earthquakes: the USGS catalogue. Launches: Jonathan McDowell, GCAT (CC BY). Kp index: GFZ Potsdam (CC BY 4.0). Matches: International football results, Mart Jürisoo (CC0).
- Animal observations: GBIF, with a link to each record; species names come from Wikidata.