Merriam-Webster dictionary defines history as a branch of knowledge that records and explains past events. It’s a chronological record of significant events often including an explanation of their causes. The earliest known use of the word history was in the 14th century.

Today In HistoryThis website utilizes entries from Wikipedia to extract historical events from 3761 BC up to the present. There are currently 105,060 records in our database. The present day Gregorian calendar was adopted to show dates of interest.

Let us begin with what happened today in history. You may also enter a specific day using the form on the right sidebar. It is optional to input the year. If you do give a complete date with month, day and year then only events that happened on that specific date will be shown.

About May 18

May 18, 2025 is the 138th day of the year 2025 in the Gregorian calendar. There are 227 days remaining until the end of this year. The day of the week is Sunday.

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

Taurus 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 275 days remaining before the start of the next Chinese New Year.

What Happened On May 18

  • 1756
    The Seven Years’ War begins when Great Britain declares war on France.
  • 1763
    Fire destroys a large part of Montreal, Quebec.
  • 1783
    First United Empire Loyalists reach Parrtown (later called Saint John), New Brunswick, Canada after leaving the United States.
  • 1811
    Battle of Las Piedras: The first great military triumph of the revolution of the Río de la Plata in Uruguay led by Jose Artigas.
  • 1812
    John Bellingham is found guilty and sentenced to death by hanging for the assassination of British Prime Minister Spencer Perceval.
  • 1910
    The Earth passes through the tail of Comet Halley.
  • 1974
    Completion of the Warsaw radio mast, the tallest construction ever built at the time. It collapsed on August 8, 1991.
  • 1980
    1980 eruption of Mount St. Helens: Mount St. Helens erupts in Washington, United States, killing 57 people and causing $3 billion in damage.
  • 1993
    EU - riots in Nørrebro, Copenhagen caused by the approval of the four Danish exceptions in the Maastricht Treaty referendum. Police opened fire against civilians for the first time since World War II and injured 11 demonstrators. In total 113 bullets are fired.
  • 1995
    Shawn Nelson, 35, goes on a tank rampage in San Diego.

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