About January 20

January 20, 2025 is the 20th day of the year 2025 in the Gregorian calendar. There are 345 days remaining until the end of this year. The day of the week is Monday.

You can browse the full year calendar in case you need it.

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Capricorn is the sun sign of a person born on this day. Garnet is the modern birthstone for this month. Emerald is the mystical birthstone from Tibetan origin that dates back over a thousand years.

According to the lunisolar Chinese calendar, there are 9 days remaining before the start of the next Chinese New Year.

January 20: More About This Day

In the ancient astronomy, it was the cusp day between Capricorn and Aquarius. In some years it is Aquarius, but others Capricorn. It depends on the year.

What Happened On January 20

  • 250
    Emperor Decius begins a widespread persecution of Christians in Rome. Pope Fabian is martyred.
  • 1502
    The present-day location of Rio de Janeiro is first explored.
  • 1576
    The Mexican city of León is founded by order of the viceroy Don Martín Enríquez de Almanza.
  • 1649
    Charles I of England goes on trial for treason and other “high crimes”.
  • 1783
    The Kingdom of Great Britain signs a peace treaty with France and Spain, officially ending hostilities in the American Revolutionary War (also known as the American War of Independence).
  • 1841
    Hong Kong Island is occupied by the British.
  • 1934
    Fujifilm, the photographic and electronics company, is founded in Tokyo, Japan.
  • 1936
    Edward VIII becomes King of the United Kingdom.
  • 1941
    A Nazi officer is murdered in Bucharest, Romania, sparking a rebellion and pogrom by the Iron Guard, killing 125 Jews and 30 soldiers.
  • 1942
    World War II: At the Wannsee Conference held in the Berlin suburb of Wannsee, senior Nazi German officials discuss the implementation of the “Final Solution to the Jewish Question”.
  • 1945
    World War II: Germany begins the evacuation of 1.8 million people from East Prussia, a task which will take nearly two months.
  • 1959
    The first flight of the Vickers Vanguard.
  • 1969
    East Pakistani police kill student activist Amanullah Asaduzzaman. The resulting outrage is in part responsible for the Bangladesh Liberation War.
  • 1972
    Pakistan launched its Nuclear detterent program few weeks after its defeat in Bangladesh Liberation War and Indo-Pakistani War of 1971.
  • 1981
    Twenty minutes after Ronald Reagan is inaugurated, at age 69 the oldest man ever to be inaugurated as U.S. President, Iran releases 52 American hostages.
  • 1986
    Martin Luther King, Jr. Day is celebrated as a federal holiday for the first time.
  • 1990
    On Black Saturday, the Red Army kills Azerbaijani civilians in Baku.
  • 1992
    Air Inter Flight 148 crashes near Strasbourg, France, killing 82 passengers and five crew members.
  • 2001
    Philippine president Joseph Estrada is ousted in a nonviolent 4-day revolution, and is succeeded by Gloria Macapagal-Arroyo.
  • 2007
    A three-man team, using only skis and kites, completes a 1093 mi trek to reach the southern pole of inaccessibility for the first time since 1958 and for the first time ever without mechanical assistance.

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