På denne dag: 20. januar
Utforsk avgjørende hendelser, vitenskapelige sprang og historiske vendepunkter. Med kildekritisk merking for antikke og kalenderusatte datoer.
1156: Historisk hendelse
According to legend, Lalli slew Bishop Henry of Finland with an axe on the ice of Lake Köyliönjärvi in Köyliö.
1265: Historisk hendelse
Simon de Montfort summoned local representatives to the Palace of Westminster to attend a parliament, now considered to be the forerunner of the House of Commons of England.
1356: Historisk hendelse
Edward Balliol, whose father John was briefly King of Scotland, gave up his claim to the throne in exchange for an English pension.
1726: Historisk hendelse
J. S. Bach led the first performance of his cantata Meine Seufzer, meine Tränen on the second Sunday after the Epiphany.
1843: Historisk hendelse
Honório Hermeto Carneiro Leão, Marquis of Paraná, became the de facto first prime minister of the Empire of Brazil.
1942: Historisk hendelse
The Holocaust: Reinhard Heydrich and other senior Nazi officials met at the Wannsee Conference near Berlin to discuss the implementation of the "Final Solution to the Jewish Question".
1945: Historisk hendelse
World War II: In an operation that took nearly two months to complete, Germany began the evacuation of at least 1.8 million people from East Prussia in anticipation of the advancing Soviet Red Army.
1968: Historisk hendelse
The Houston Cougars upset the UCLA Bruins in what became known as the "Game of the Century" (pictured), ending the Bruins' 47-game winning streak and establishing college basketball as a sports commodity on American television.
1969: Historisk hendelse
Bengali student activist Amanullah Asaduzzaman was shot and killed by East Pakistani police, an event that led to the Bangladesh Liberation War.
1990: Historisk hendelse
The Soviet Red Army violently cracked down on Azeri pro-independence demonstrations in Baku, Azerbaijan SSR.
2009: Historisk hendelse
During a national financial crisis, thousands of people protested (pictured) at the Icelandic parliament in Reykjavík.
2009: Historisk hendelse
In Washington, D.C., Barack Obama was inaugurated as the first African-American president of the United States.
2018: Historisk hendelse
A group of Taliban gunmen attacked and took hostages at the Hotel Inter-Continental Kabul, Afghanistan, sparking a 12-hour battle that left at least 21 people dead.
🔍 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.