About May 30

May 30, 2025 is the 150th day of the year 2025 in the Gregorian calendar. There are 215 days remaining until the end of this year. The day of the week is Friday.

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

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

According to the lunisolar Chinese calendar, there are 263 days remaining before the start of the next Chinese New Year.

What Happened On May 30

  • 70
    Siege of Jerusalem: Titus and his Roman legions breach the Second Wall of Jerusalem. The Jewish defenders retreat to the First Wall. The Romans build a circumvallation, cutting down all trees within fifteen kilometers.
  • 1416
    The Council of Constance, called by the Emperor Sigismund, a supporter of Antipope John XXIII, burns Jerome of Prague following a trial for heresy.
  • 1536
    King Henry VIII of England marries Jane Seymour, a lady-in-waiting to his first two wives.
  • 1574
    Henry III becomes King of France.
  • 1588
    The last ship of the Spanish Armada sets sail from Lisbon heading for the English Channel.
  • 1642
    From this date all honors granted by Charles I are retrospectively annulled by Parliament.
  • 1815
    The East Indiaman ship Arniston is wrecked during a storm at Waenhuiskrans, near Cape Agulhas, present-day South Africa, with the loss of 372 lives.
  • 1832
    The Rideau Canal in eastern Ontario is opened.
  • 1834
    Joaquim António de Aguiar issue a law extinguishing “all convents, monasteries, colleges, hospices and any other houses of the regular religious orders”, earning him the nickname of “The Friar-Killer”.
  • 1854
    The Kansas-Nebraska Act becomes law establishing the US territories of Nebraska and Kansas.
  • 1859
    Westminster’s Big Ben rang for the first time in London.
  • 1868
    Decoration Day (the predecessor of the modern “Memorial Day”) is observed in the United States for the first time (By “Commander-in-chief of the Grand Army of the Republic” John A. Logan’s proclamation on May 5).
  • 1917
    Alexander I becomes king of Greece.
  • 1941
    World War II: Manolis Glezos and Apostolos Santas climb on the Athenian Acropolis, tear down the Nazi swastika.
  • 1948
    A dike along the flooding Columbia River breaks, obliterating Vanport, Oregon within minutes. Fifteen people die and tens of thousands are left homeless.
  • 1963
    A protest against pro-Catholic discrimination during the Buddhist crisis is held outside South Vietnam’s National Assembly, the first open demonstration during the eight-year rule of Ngo Dinh Diem.
  • 1968
    Charles de Gaulle reappears publicly after his flight to Baden-Baden, Germany, and dissolves the French National Assembly by a radio appeal. Immediately after, less than one million of his supporters march on the Champs-Élysées in Paris. This is the turning point of May 1968 in France.
  • 1971
    Mariner program: Mariner 9 is launched to map 70% of the surface, and to study temporal changes in the atmosphere and surface, of Mars.
  • 1972
    The Angry Brigade goes on trial over a series of 25 bombings throughout the United Kingdom.
  • 2003
    Depayin massacre: at least 70 people associated with the National League for Democracy are killed by government-sponsored mob in Burma. Aung San Suu Kyi fled the scene, but is arrested soon afterwards.

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