On This Day · The 15th day of the year

January 15

This year marks the 25th anniversary of Wikipedia — January 15 carries the weight of round numbers. Its center of gravity is the 20th century, and conflict is a recurring thread.

Capricorn is the sign for January 15 — read more on the Capricorn page, or see January's birthstone & birth flower.

Compiled & reviewed by · Last reviewed September 6, 2026

What happened on January 15?

January 15 is the 15th day of the year. It marks 10 notable events in history, dated between 1815 and 2009. Famous people born on January 15 include Molière, Pierre-Joseph Proudhon and Edward Teller.

The day that keeps asking who remakes the world

On January 15, 1919, soldiers working on behalf of the German government dragged Rosa Luxemburg and Karl Liebknecht from their hiding place in Berlin, beat them, shot them, and dropped Luxemburg’s body into a canal. She was an economist and philosopher who had argued that genuine socialism could only arrive through mass democratic awakening, not through the barrel of a gun. Liebknecht had co-founded the movement with her. Both had opposed the war. Neither had fired a shot. Ten years later to the day — January 15, 1929 — Martin Luther King Jr. was born in Atlanta. The calendar did not plan the juxtaposition. It simply placed them there, and lets you sit with the question both lives ask: who actually gets to remake the world, and at what price?

Luxemburg had an answer. So did King, and the two answers rhyme more than history usually admits. She believed that revolutionary change imposed from above, without the genuine participation of ordinary people, would eat itself — that the methods of liberation could not be separated from the liberation itself. King, working forty years later in a country that had its own long ledger of enforced silence, built an entire movement on a similar premise: that the means mattered, that dignity could not be won by discarding someone else’s dignity, that the bus boycott and the march and the jail cell were not tactics toward a future but demonstrations of it. Both paid with their lives for holding that line. The date carries both of them, and it does not let you forget that principled nonviolence has always been the more dangerous position — more dangerous than throwing a bomb, because it asks more of the people who practice it and offers no quick drama of destruction.

The date has other registers. In 2001, Wikipedia launched — a free, crowdsourced encyclopedia that would grow into one of the stranger democratic experiments in human history. No single authority. No gatekeeping institution. Knowledge assembled by anyone willing to show their work and defend it in argument. It is easy to be cynical about Wikipedia, and the cynicism is not entirely misplaced. But the project’s founding principle — that the record of human knowledge belongs to everyone, and that ordinary people can be trusted to build and maintain it — sits on January 15 alongside two people murdered for believing something similar about political life.

The other entries on this date do not all speak the same language, but several have a weight worth acknowledging. In 1947, the dismembered body of Elizabeth Short — the woman the press renamed “the Black Dahlia” — was found in Los Angeles, a murder that was never solved and whose victim was reduced, for decades, to a tabloid noun. In 1934, an earthquake measuring 8.0 struck Nepal and Bihar, killing between six thousand and ten thousand people. In 2009, US Airways Flight 1549 ditched into the Hudson River after striking birds on takeoff; all 155 people on board were rescued, and the event entered the news cycle as “the Miracle on the Hudson” — the rare occasion on which January 15 let something catastrophic end without a casualty count.

There is also, quietly, the Derveni papyrus, found in northern Greece in 1962 — Europe’s oldest surviving manuscript, dating to around 340 BC. A burned text rescued from a funeral pyre, preserved against every reasonable expectation. Someone’s words, copied by hand and committed to the ground, surviving more than two millennia. That too belongs to January 15: the stubborn persistence of what was written down and passed forward, against all the forces that would rather it was lost.

What this date keeps returning to is not triumph or tragedy in isolation but the question of transmission — of what ideas survive, at what cost, and in whose hands. Luxemburg’s and Liebknecht’s ideas survived them. King’s did, incompletely, in the way all legacies are incomplete. Wikipedia is still running. The papyrus is in a museum in Athens. The work of remaking the world, this date suggests, belongs to no single method and no single moment. It just keeps being attempted, and the people who attempt it keep paying what they did not expect to pay.

Written & reviewed by · Reviewed June 23, 2026

Released on January 15

Movies, games, albums & shows

2026

  • TV Deepmate
  • Movie Alas Roban

2023

  • TV The Last of Us

Release data from TMDB & IGDB.

Events

10 notable moments
  1. 1815

    War of 1812

  2. 1865

    American Civil War

  3. 1910

    Buffalo Bill Dam

  4. 1934

    1934 Nepal–India earthquake

  5. 1937

    Spanish Civil War

  6. 1943

    World War II

  7. 1947

    Black Dahlia

  8. 1962

    Derveni papyrus

  9. 2001

    Wikipedia

  10. 2009

    US Airways Flight 1549

Famous birthday twins

Born on January 15

Molière

b. 1622

Pierre-Joseph Proudhon

b. 1809

Edward Teller

b. 1908

Martin Luther King Jr.

b. 1929

Alexander Griboyedov

b. 1795

Tsegaye Kebede

b. 1987

Skrillex

b. 1988

Drew Brees

b. 1979

Deaths

  • 2025David Lynch
  • 2013Nagisa Ōshima
  • 2005Walter Ernsting
  • 1919Rosa Luxemburg
  • 1919Karl Liebknecht

Holidays & observances

  • Arbor Day (Egypt)
  • Armed Forces Remembrance Day (Nigeria)
  • Army Day (India)
  • Christian feast day: Abeluzius (Ethiopian Orthodox Tewahedo Church)
  • Christian feast day: Arnold Janssen
  • Christian feast day: Francis Ferdinand de Capillas (one of Martyr Saints of China)
  • Christian feast day: Ita
  • Christian feast day: Our Lady of the Poor

The factual record above — event titles, dates, names, and observances — is drawn from Wikipedia under the Creative Commons Attribution-ShareAlike (CC BY-SA) license. DateLore adds curation, structure, and original editorial commentary. DateLore is not affiliated with the Wikimedia Foundation.

About the author

Roman Tailor compiles and reviews every date on DateLore. He's the writer and editor behind the site's editorial essays and the day-by-day almanac. Corrections and questions are welcome — read more about DateLore or get in touch.

Born on this day?

Make your birthday card.

Drop in your birth year and we'll work out your exact age, the day of the week you were born, your Chinese zodiac, your generation, and the countdown to your next candle.