About September 18
September 18, 2025 is the 261st day of the year 2025 in the Gregorian calendar. There are 104 days remaining until the end of this year. The day of the week is Thursday.
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Virgo is the sun sign of a person born on this day. Sapphire is the modern birthstone for this month. Agate is the mystical birthstone from Tibetan origin that dates back over a thousand years.
According to the lunisolar Chinese calendar, there are 152 days remaining before the start of the next Chinese New Year.
What Happened On September 18
- 324 –Constantine the Great decisively defeats Licinius in the Battle of Chrysopolis, establishing Constantine’s sole control over the Roman Empire.
- 1502 –Christopher Columbus lands at Costa Rica on his fourth, and final, voyage.
- 1679 –New Hampshire becomes a county of the Massachusetts Bay Colony.
- 1739 –The Treaty of Belgrade is signed, ceding Belgrade to the Ottoman Empire.
- 1810 –First Government Junta in Chile. Though supposed to rule only in the absence of the king, it is in fact the first step towards independence from Spain, and is commemorated as such.
- 1812 –The 1812 Fire of Moscow dies down after destroying more than three quarters of the city. Napoleon returns from the Petrovsky Palace to the Moscow Kremlin, spared from the fire.
- 1879 –The Blackpool Illuminations are switched on for the first time.
- 1906 –A typhoon with tsunami kills an estimated 10,000 people in Hong Kong.
- 1911 –Russian Premier Peter Stolypin is shot at the Kiev Opera House.
- 1919 –Fritz Pollard becomes the first African-American to play professional football for a major team, the Akron Pros.
- 1919 –The Netherlands gives women the right to vote.
- 1922 –Hungary is admitted to League of Nations.
- 1939 –The Nazi propaganda broadcaster known as Lord Haw-Haw begins transmitting.
- 1947 –The United States Air Force becomes an independent branch of the United States armed forces.
- 1948 –Communist Madiun uprising in Dutch Indies.
- 1961 –U.N. Secretary-General Dag Hammarskjöld dies in a plane crash while attempting to negotiate peace in the war-torn Katanga region of the Democratic Republic of the Congo.
- 1973 –The Bahamas, East Germany and West Germany are admitted to the United Nations.
- 1974 –Hurricane Fifi strikes Honduras with 110 mph winds, killing 5,000 people.
- 1981 –Assemblée Nationale votes to abolish capital punishment in France.
- 1997 –United States media magnate Ted Turner donates USD 1 billion to the United Nations.
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