A birthday on the globe
2 September on the globe: what happened in the world on this day, and who was born
For 2 September, the English Wikipedia lists 61 events and 236 births. 38 of the events stand at their places as rays of light; four 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 2 September through the years
The Earth on 2 September
The picture on the globe was assembled by NASA from satellite photographs taken in September 2004: the snow, the ice and the green are those of the month.
On 2 September the Sun passes straight overhead at noon along the parallel of 7.9° north. In London, the day lasts about 13 hours 30 minutes.
Beyond 82° north the Sun no longer sets; beyond 82° south it no longer rises.
The line between day and night is tilted on the globe exactly as on this day of the year. On the dark side you can see the lights of towns.
Britain & Ireland · Kinsale
1601
4th Spanish Armada makes landfall in Ireland at Kinsale.
On the map: Kinsale.
Asia · ISRO
2023
India's first solar observation mission: The Indian Space Research Organisation (ISRO) successfully launches Aditya-L1 from Satish Dhawan space centre.
On the map: ISRO.
North America · Minnesota State Fair
1901
Vice President of the United States Theodore Roosevelt utters the famous phrase, "Speak softly and carry a big stick" at the Minnesota State Fair.
On the map: Minnesota State Fair.
2 September
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 Spanish and were translated for this page.
From Wikipedia in Spanish · University of California
1969
At the University of California, Los Angeles (California), the engineering students Stephen Crocker and Vinton Cerf help Professor Leonard Kleinrock transfer data from one computer to another.
On the map: University of California.
Translated from the list on Wikipedia in Spanish.
The article on Wikipedia in Spanish: Universidad de California
2 September
Born on 2 September#
The English Wikipedia lists 236 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.
Born on 2 September
1964
Keanu Reeves, Canadian actor, singer, and producer
Place of birth: Beirut.
Born on 2 September
1966
Salma Hayek, Mexican-American actress, director, and producer
Place of birth: Coatzacoalcos.
Born on 2 September
1853
Wilhelm Ostwald, Latvian-German chemist and academic, Nobel Prize laureate (died 1932)
Place of birth: Riga.
Born on 2 September
1877
Frederick Soddy, English chemist and academic, Nobel Prize laureate (died 1956)
Place of birth: Eastbourne.
Born on 2 September
1922
Arthur Ashkin, American physicist and Nobel Prize laureate (died 2020)
Place of birth: Brooklyn.
Born in Britain and Ireland
1913
Bill Shankly, Scottish footballer and manager (died 1981)
Place of birth: Glenbuck.
Born in Britain and Ireland
1982
Joey Barton, English footballer
Place of birth: Huyton.
Born in Britain and Ireland
1965
Lennox Lewis, English-Canadian boxer
Place of birth: West Ham.
2 September
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: 2 September 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 2 September
The list is the English Wikipedia’s, in its own wording, as it stood in October 2026. 19 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.
- 44 BC
Cicero launches the first of his Philippicae (oratorical attacks) on Mark Antony. He will make 14 of them over the following months.
no place on the mapWikipedia: Cicero - 44 BC
Pharaoh Cleopatra VII of Egypt declares her son co-ruler as Ptolemy XV Caesarion.
Africa · EgyptWikipedia: Pharaoh - 31 BC
Final War of the Roman Republic: Battle of Actium: Off the western coast of Greece, forces of Octavian defeat troops under Mark Antony and Cleopatra.
Europe · Battle of ActiumWikipedia: Battle of Actium - 911
The Byzantine Empire and the Kievan Rus sign a treaty regulating trade.
no place on the mapWikipedia: Byzantine Empire - 1192
The Treaty of Jaffa is signed between Richard I of England and Saladin, leading to the end of the Third Crusade.
Asia · JaffaWikipedia: Treaty of Jaffa - 1561
Entry of Mary, Queen of Scots into Edinburgh, a spectacular civic celebration for the Queen of Scotland, marred by religious controversy.
no place on the mapWikipedia: Entry of Mary, Queen of Scots, into Edinburgh - 1595
An imperial army retakes the city of Esztergom from the Ottoman Empire.
Europe · Siege of EsztergomWikipedia: Siege of Esztergom - 1601
4th Spanish Armada makes landfall in Ireland at Kinsale.
Britain & Ireland · KinsaleWikipedia: Fourth Spanish Armada - 1649
The Italian city of Castro is completely destroyed by the forces of Pope Innocent X, ending the Wars of Castro.
Europe · Castro, LazioWikipedia: Wars of Castro - 1666
The Great Fire of London breaks out and burns for three days, destroying 10,000 buildings, including Old St Paul's Cathedral.
Britain & Ireland · Great Fire of LondonWikipedia: Great Fire of London - 1752
Great Britain, along with its overseas possessions, adopts the Gregorian calendar.
no place on the mapWikipedia: Kingdom of Great Britain - 1789
The United States Department of the Treasury is founded.
no place on the mapWikipedia: United States Department of the Treasury - 1792
During what became known as the September Massacres of the French Revolution, rampaging mobs slaughter three Roman Catholic bishops, more than two hundred priests, and prisoners believed to be royalist sympathizers.
Europe · September MassacresWikipedia: September Massacres - 1806
A massive landslide destroys the town of Goldau, Switzerland, killing 457.
Europe · GoldauWikipedia: Goldau - 1807
Napoleonic Wars: The British Royal Navy bombards Copenhagen with fire bombs and phosphorus rockets to prevent Denmark from surrendering its fleet to Napoleon.
Europe · Battle of CopenhagenWikipedia: Battle of Copenhagen - 1856
The Tianjing incident takes place in Nanjing, China.
Asia · NanjingWikipedia: Tianjing Incident - 1859
The Carrington Event is the strongest geomagnetic storm on record.
no place on the mapWikipedia: Carrington Event - 1862
American Civil War: United States President Abraham Lincoln reluctantly restores Union General George B. McClellan to full command after General John Pope's disastrous defeat at the Second Battle of Bull Run.
North America · Second Battle of Bull RunWikipedia: American Civil War - 1864
American Civil War: Union forces enter Atlanta as the city surrenders, ending the Atlanta campaign as a victory for General William T. Sherman.
North America · AtlantaWikipedia: Atlanta campaign - 1867
Mutsuhito, Emperor Meiji of Japan, marries Masako Ichijō, thereafter known as Empress Shōken.
no place on the mapWikipedia: Emperor Meiji - 1870
Franco-Prussian War: Battle of Sedan: Prussian forces take Napoleon III of France and 100,000 of his soldiers prisoner.
Europe · Battle of SedanWikipedia: Franco-Prussian War - 1885
Rock Springs massacre: In Rock Springs, Wyoming, 150 white miners, who are struggling to unionize so they could strike for better wages and work conditions, attack their Chinese fellow workers, killing 28, wounding 15 and forcing several hundred more out of town.
North America · Rock Springs massacreWikipedia: Rock Springs massacre - 1898
Battle of Omdurman: British and Egyptian troops defeat Sudanese tribesmen and establish British dominance in Sudan.
Africa · Battle of OmdurmanWikipedia: Battle of Omdurman - 1901
Vice President of the United States Theodore Roosevelt utters the famous phrase, "Speak softly and carry a big stick" at the Minnesota State Fair.
North America · Minnesota State FairWikipedia: Theodore Roosevelt - 1912
Arthur Rose Eldred is awarded the first Eagle Scout award of the Boy Scouts of America.
no place on the mapWikipedia: Arthur Rose Eldred - 1923
Kantō Massacre: Amid rumors that Koreans had been conducting acts of sabotage in the aftermath of the 1923 Great Kantō earthquake, lynch mobs of Japanese begin massacring thousands of civilians over the course of several weeks, mainly ethnic minorities such as Koreans and Chinese.
Asia · Great Kantō EarthquakeWikipedia: Kantō Massacre - 1935
The Labor Day Hurricane, the most intense hurricane to strike the United States, makes landfall at Long Key, Florida, killing at least 400.
North America · 1935 Labor Day hurricaneWikipedia: 1935 Labor Day hurricane - 1939
World War II: Following the start of the invasion of Poland the previous day, the Free City of Danzig (now Gdańsk, Poland) is annexed by Nazi Germany.
Europe · GdańskWikipedia: World War II - 1944
The last execution of a Finn in Finland takes place when soldier Olavi Laiho is executed by shooting in Oulu.
Europe · OuluWikipedia: Finland - 1945
Communist leader Ho Chi Minh proclaims the Democratic Republic of Vietnam after the end of the Nguyễn dynasty.
no place on the mapWikipedia: Ho Chi Minh - 1945
World War II: The Japanese Instrument of Surrender is signed by Japan and the major warring powers aboard the battleship USS Missouri in Tokyo Bay, thus marking the official end to the war.
Asia · Japanese Instrument of SurrenderWikipedia: Japanese Instrument of Surrender - 1946
The Interim Government of India is formed, headed by Jawaharlal Nehru as vice president with the powers of a Prime Minister.
no place on the mapWikipedia: Interim Government of India - 1957
President Ngô Đình Diệm of South Vietnam becomes the first foreign head of state to make a state visit to Australia.
Asia · South VietnamWikipedia: Ngo Dinh Diem presidential visit to Australia - 1958
A USAF RC-130 is shot down by fighters over Armenia when it strays into Soviet airspace while conducting a sigint mission. All crew members are killed.
no place on the mapWikipedia: 1958 C-130 shootdown incident - 1960
The first election of the Tibetan Parliament-in-Exile. The Tibetan community observes this date as Democracy Day.
no place on the mapWikipedia: Parliament of the Central Tibetan Administration - 1963
CBS Evening News becomes U.S. network television's first half-hour weeknight news broadcast, when the show is lengthened from 15 to 30 minutes.
no place on the mapWikipedia: CBS Evening News - 1967
Paddy Roy Bates proclaimed HM Fort Roughs, a former World War II Maunsell Sea Fort in the North Sea off the coast of Suffolk, England, as an independent sovereign state: the Principality of Sealand.
Britain & Ireland · SuffolkWikipedia: HM Fort Roughs - 1968
Operation OAU begins during the Nigerian Civil War.
no place on the mapWikipedia: Operation OAU - 1970
Aeroflot Flight 3630, a Tupolev Tu-124 en route from southern Russia to Lithuania, crashes after the pilots lost control of the aircraft at cruise altitude between Rostov-on-Don Airport and Vilnius Airport, on the second leg of the flight; all 37 passengers and crew are killed.
Europe · Aeroflot Flight 3630Wikipedia: Aeroflot Flight 3630 - 1970
NASA announces the cancellation of two Apollo missions to the Moon, Apollo 15 (the designation is re-used by a later mission), and Apollo 19.
no place on the mapWikipedia: NASA - 1984
Seven people are shot and killed and 12 wounded in the Milperra massacre, a shootout between the rival motorcycle gangs Bandidos and Comancheros in Sydney, Australia.
Oceania · Milperra massacreWikipedia: Milperra massacre - 1985
Hurricane Elena, an unpredictable and damaging tropical cyclone that affected eastern and central portions of the United States Gulf Coast, made landfall near Biloxi, Mississippi, as a Category 3 major hurricane.
North America · Biloxi, MississippiWikipedia: Hurricane Elena - 1985
Sri Lankan Civil War: Sri Lankan Tamil politicians and former MPs M. Alalasundaram and V. Dharmalingam are shot dead.
no place on the mapWikipedia: Sri Lankan civil war - 1987
In Moscow, the trial begins for 19-year-old pilot Mathias Rust, who flew his Cessna airplane into Red Square in May.
Europe · Red SquareWikipedia: Mathias Rust - 1990
Transnistria is unilaterally proclaimed a Soviet republic; the Soviet president Mikhail Gorbachev declares the decision null and void.
no place on the mapWikipedia: Transnistria - 1992
The 7.7 Mw Nicaragua earthquake affects the west coast of Nicaragua. With a Ms–Mw disparity of half a unit, this tsunami earthquake triggers a tsunami that causes most of the damage and casualties, with at least 116 killed. Typical runup heights were 3–8 meters (9.8–26.2 ft).
Latin America · 1992 Nicaragua earthquakeWikipedia: 1992 Nicaragua earthquake - 1998
Swissair Flight 111 crashes near Peggy's Cove, Nova Scotia; all 229 people on board are killed.
North America · Swissair Flight 111Wikipedia: Swissair Flight 111 - 1998
The UN's International Criminal Tribunal for Rwanda finds Jean-Paul Akayesu, the former mayor of a small town in Rwanda, guilty of nine counts of genocide.
Africa · RwandaWikipedia: United Nations - 2008
Google launches its Google Chrome web browser.
no place on the mapWikipedia: Google - 2009
The Andhra Pradesh, India helicopter crash occurs near Rudrakonda Hill, 40 nautical miles (74 km) from Kurnool, Andhra Pradesh, India. Fatalities include Y. S. Rajasekhara Reddy, the Chief Minister of the Indian state of Andhra Pradesh.
Asia · KurnoolWikipedia: 2009 Andhra Pradesh helicopter crash - 2010
Israel-Palestinian conflict: the 2010 Israeli-Palestinian peace talks are launched by the United States.
no place on the mapWikipedia: Israeli–Palestinian conflict - 2011
Bad weather caused a Chilean Air Force aircraft to crash into the Pacific Ocean, killing all 21 people on board.
Latin America · 2011 Chilean Air Force C-212 crashWikipedia: 2011 Chilean Air Force C-212 crash - 2013
The Eastern span replacement of the San Francisco–Oakland Bay Bridge opens at 10:15 pm at a cost of $6.4 billion, after the 1989 Loma Prieta earthquake damaged the old span.
North America · Eastern span replacement of the San Francisco–Oakland Bay BridgeWikipedia: 1989 Loma Prieta earthquake - 2018
National Museum of Brazil fire: A massive fire destroys most of the Paço de São Cristóvão, which houses the National Museum of Brazil, in Rio de Janeiro. The museum holds important archaeοlogical and anthropological objects, including the remains of the Luzia Woman, Marajoara vases and Egyptian mummies.
Latin America · National Museum of Brazil fireWikipedia: National Museum of Brazil fire - 2019
Hurricane Dorian, a category 5 hurricane, devastates the Bahamas, killing at least five.
Latin America · The BahamasWikipedia: Hurricane Dorian - 2019
The dive boat MV Conception catches fire and sinks near Santa Cruz Island, killing 34.
North America · Sinking of MV ConceptionWikipedia: Sinking of MV Conception - 2022
Eighteen people are killed and 23 others are injured by a suicide bombing at a Sunni mosque in Herat, Afghanistan.
Asia · HeratWikipedia: 2022 Herat mosque bombing - 2023
India's first solar observation mission: The Indian Space Research Organisation (ISRO) successfully launches Aditya-L1 from Satish Dhawan space centre.
Asia · ISROWikipedia: Aditya-L1 - 2024
A suicide bombing in Kabul, Afghanistan, kills six people and injures 13.
Asia · KabulWikipedia: 2024 Qala Bakhtiar bombing - 2024
At least 129 inmates are killed and 59 more injured in an attempted prison break at Makala Prison in Kinshasa, Democratic Republic of the Congo.
Africa · 2024 Makala jailbreak attemptWikipedia: 2024 Makala jailbreak attempt - 2024
Four people are killed in a mass shooting targeting homeless people on a Chicago Transit Authority train in Forest Park, Illinois, United States.
North America · Chicago "L"Wikipedia: Chicago "L"
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 Spanish and were translated for this page.
- 1969
At the University of California, Los Angeles (California), the engineering students Stephen Crocker and Vinton Cerf help Professor Leonard Kleinrock transfer data from one computer to another.
North America · University of CaliforniaTranslated from the list on Wikipedia in SpanishWikipedia: Universidad de California
Who was born on 2 September
In order of how many Wikipedia editions have an article about each. The first 60 of 236 are shown.
- 1962
Keir Starmer, English lawyer and politician, Prime Minister of the United Kingdom
SouthwarkWikipedia: Keir Starmer - 1964
Keanu Reeves, Canadian actor, singer, and producer
BeirutWikipedia: Keanu Reeves - 1966
Salma Hayek, Mexican-American actress, director, and producer
CoatzacoalcosWikipedia: Salma Hayek - 1853
Wilhelm Ostwald, Latvian-German chemist and academic, Nobel Prize laureate (died 1932)
- 1877
Frederick Soddy, English chemist and academic, Nobel Prize laureate (died 1956)
EastbourneWikipedia: Frederick Soddy - 1953
Ahmad Shah Massoud, Afghan commander and politician, Afghan Minister of Defense (died 2001)
- 1838
Liliʻuokalani, Last sovereign monarch of Hawaiʻi (died 1917)
HonoluluWikipedia: Liliʻuokalani - 1922
Arthur Ashkin, American physicist and Nobel Prize laureate (died 2020)
BrooklynWikipedia: Arthur Ashkin - 1954
Andrej Babiš, Czech politician, Prime Minister of the Czech Republic
BratislavaWikipedia: Andrej Babiš - 1894
Joseph Roth, Austrian journalist and author (died 1939)
- 1913
Bill Shankly, Scottish footballer and manager (died 1981)
GlenbuckWikipedia: Bill Shankly - 1839
Henry George, American economist and author (died 1897)
PhiladelphiaWikipedia: Henry George - 1992
Emiliano Martínez, Argentine footballer
Mar del PlataWikipedia: Emiliano Martínez - 1924
Daniel arap Moi, Kenyan educator and politician, 2nd President of Kenya (died 2020)
- 1952
Jimmy Connors, American tennis player, coach, and sportscaster
East St. LouisWikipedia: Jimmy Connors - 1778
Louis Bonaparte, French-Dutch king (died 1846)
AjaccioWikipedia: Louis Bonaparte - 1852
Paul Bourget, French author and critic (died 1935)
AmiensWikipedia: Paul Bourget - 1933
Mathieu Kérékou, Beninese soldier and politician, President of Benin (died 2015)
KouarfaWikipedia: Mathieu Kérékou - 1934
Chuck McCann, American actor and screenwriter (died 2018)
BrooklynWikipedia: Chuck McCann - 1961
Carlos Valderrama, Colombian footballer and manager
Santa MartaWikipedia: Carlos Valderrama - 1989
Alexandre Pato, Brazilian footballer
Pato BrancoWikipedia: Alexandre Pato - 1988
Javi Martínez, Spanish footballer
Estella-LizarraWikipedia: Javi Martínez - 1948
Christa McAuliffe, American educator and astronaut (died 1986)
- 2002
Bradley Barcola, French footballer
VilleurbanneWikipedia: Bradley Barcola - 1951
Mark Harmon, American actor and producer
BurbankWikipedia: Mark Harmon - 1982
Joey Barton, English footballer
HuytonWikipedia: Joey Barton - 1923
René Thom, French mathematician, biologist, and academic (died 2002)
MontbéliardWikipedia: René Thom - 1967
Andreas Möller, German footballer and manager
SossenheimWikipedia: Andreas Möller - 1946
Billy Preston, American singer-songwriter, pianist, and actor (died 2006)
HoustonWikipedia: Billy Preston - 1989
Zedd, Russian-German record producer, DJ, multi-instrumentalist and songwriter
SaratovWikipedia: Zedd - 1878
Werner von Blomberg, German field marshal (died 1946)
StargardWikipedia: Werner von Blomberg - 1965
Lennox Lewis, English-Canadian boxer
West HamWikipedia: Lennox Lewis - 1949
Hans-Hermann Hoppe, American economist and philosopher
- 1977
Frédéric Kanouté, Malian footballer
Sainte-Foy-lès-LyonWikipedia: Frédéric Kanouté - 1548
Vincenzo Scamozzi, Italian architect (died 1616)
VicenzaWikipedia: Vincenzo Scamozzi - 1971
Kjetil André Aamodt, Norwegian skier
- 1986
Gélson Fernandes, Swiss footballer
- 1990
Marcus Ericsson, Swedish race car driver
- 1913
Israel Gelfand, Russian-American mathematician and biologist (died 2009)
- 1953
John Zorn, American saxophonist, composer, and producer
New York CityWikipedia: John Zorn - 1966
Olivier Panis, French racing driver
- 1936
Andrew Grove, Hungarian-American businessman, engineer, and author (died 2016)
United StatesWikipedia: Andrew Grove - 1814
Ernst Curtius, German archaeologist and historian (died 1896)
LübeckWikipedia: Ernst Curtius - 1987
Scott Moir, Canadian ice dancer
LondonWikipedia: Scott Moir - 1929
Hal Ashby, American actor, director, and producer (died 1988)
OgdenWikipedia: Hal Ashby - 1941
Sadhana Shivdasani, Indian actress (died 2015)
- 1968
Cynthia Watros, American actress
Lake OrionWikipedia: Cynthia Watros - 1971
César Sánchez, Spanish footballer
- 1753
Marie Joséphine of Savoy (died 1810)
Royal Palace of TurinWikipedia: Marie Joséphine of Savoy - 1919
Marge Champion, American actress, dancer, and choreographer (died 2020)
Los AngelesWikipedia: Marge Champion - 1928
Horace Silver, American pianist and composer (died 2014)
NorwalkWikipedia: Horace Silver - 1948
Terry Bradshaw, American football player, sportscaster, and actor
ShreveportWikipedia: Terry Bradshaw - 1948
Nate Archibald, American basketball player and coach
New York CityWikipedia: Nate Archibald - 1980
Danny Shittu, Nigerian footballer
- 1997
Brandon Ingram, American basketball player
KinstonWikipedia: Brandon Ingram - 1883
Archduchess Elisabeth Marie of Austria (died 1963)
- 1977
Sam Rivers, American musician (died 2025)
- 1959
Guy Laliberté, Canadian businessman, philanthropist, and poker player, founded Cirque du Soleil
Quebec CityWikipedia: Guy Laliberté - 1971
Katt Williams, American comedian and actor
CincinnatiWikipedia: Katt Williams - 1996
Austin Abrams, American actor
SarasotaWikipedia: Austin Abrams
What is celebrated on 2 September
- Christian feast day: Acepsimas of Hnaita and companions (Syriac Orthodox Church)
- Christian feast day: Agricola of Avignon
- Christian feast day: Antoninus of Pamiers
- Christian feast day: Brocard
- Christian feast day: Diomedes
- Christian feast day: Eleazar
- Christian feast day: Hieu (abbess)
- Christian feast day: Holy September Martyrs
- Christian feast day: Ingrid of Sweden
- Christian feast day: Justus of Lyon
- Christian feast day: Margaret of Louvain
- Christian feast day: Maxima of Rome
- Christian feast day: Nonnosus
- Christian feast day: William of Roskilde
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.