På denne dag: 19. mai
Utforsk avgjørende hendelser, vitenskapelige sprang og historiske vendepunkter. Med kildekritisk merking for antikke og kalenderusatte datoer.
715: Historisk hendelse
Gregory II began his pontificate; his conflict with Byzantine emperor Leo III eventually led to the establishment of the temporal power of the pope.
1655: Historisk hendelse
Anglo-Spanish War: English forces invaded Jamaica, then administered by Spain as the Colony of Santiago, and captured it a week later.
1674: Historisk hendelse
John III Sobieski (pictured) was elected by the szlachta as the monarch of the Polish–Lithuanian Commonwealth.
1743: Historisk hendelse
French physicist Jean-Pierre Christin published the design of a mercury thermometer using the centigrade scale, with 0 representing the melting point of water and 100 its boiling point.
1776: Historisk hendelse
American Revolutionary War: A Continental Army garrison west of Montreal surrendered to British troops at the Battle of the Cedars.
1780: Historisk hendelse
A combination of thick smoke, fog, and heavy cloud cover caused darkness to fall on parts of Canada and the New England area of the United States by noon.
1828: Historisk hendelse
The United States Congress passed the largest tariff in the nation's history, which resulted in severe economic hardship in the American South.
1845: Historisk hendelse
Captain John Franklin (pictured) departed Greenhithe, England, on an expedition to the Canadian Arctic in search of the Northwest Passage; all 129 men were later lost when their ships became icebound in Victoria Strait.
1915: Historisk hendelse
First World War: Australian and New Zealand troops repelled the third attack on Anzac Cove, inflicting heavy casualties on the attacking Ottoman forces.
1962: Historisk hendelse
Actress Marilyn Monroe performed a sultry rendition of "Happy Birthday to You" during a televised celebration for U.S. President John F. Kennedy.
1991: Historisk hendelse
Breakup of Yugoslavia: With the local Serb population boycotting the referendum, Croatians voted in favour of independence from Yugoslavia.
1997: Historisk hendelse
The Sierra Gorda Biosphere, which encompasses the most ecologically diverse region in Mexico, was established as a result of grassroots efforts.
2010: Historisk hendelse
In Bangkok, the Thai military concluded a week-long crackdown on widespread protests by forcing the surrender of opposition leaders.
2015: Historisk hendelse
A corroded pipeline near Refugio State Beach, California, spilled 142,800 gallons (3,400 barrels) of crude oil onto the Gaviota Coast.
2018: Historisk hendelse
The wedding of Prince Harry and Meghan Markle (both pictured) took place at St George's Chapel in Windsor Castle, England.
2024: Historisk hendelse
In Iran, a helicopter crash killed eight people, including President Ebrahim Raisi and Foreign Minister Hossein Amir-Abdollahian.
🔍 Om kildene og historisk datering
Å tidfeste hendelser tusenvis av år tilbake i tid er en krevende historievitenskapelig oppgave. Før innføringen av den julianske kalenderen (45 f.Kr.) og den gregorianske kalenderen (1582) benyttet ulike sivilisasjoner (romere, grekere, kinesere, babylonere) vidt forskjellige kalendersystemer basert på månesykluser eller lokale embetsperioder.
Slik merker vi dateringene:
• ✓ Sikker datering: Dokumentert i samtidige protokoller, offisielle traktater eller etter standardiserte kalendersystemer.
• ⚠️ Usikker / estimert: Hendelsen er historisk reell, men datoen er tradisjonell, basert på senere krøniker eller lunisolare omregninger.
- Wikimedia Foundation – Wikipedia On This Day arkiver og historiske registre.
- Store norske leksikon (SNL) – Norsk og internasjonal historie, biografier og årstallsverifisering.
- Encyclopædia Britannica – Verifisering av antikke slag, fredsavtaler og statsdannelser.
- NASA Historical Logs & Science Missions – Romfartshistoriske datoer og oppskytningstelemetri.