About August 12
August 12, 2025 is the 224th day of the year 2025 in the Gregorian calendar. There are 141 days remaining until the end of this year. The day of the week is Tuesday.
You can browse the full year calendar in case you need it.
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Leo is the sun sign of a person born on this day. Peridot is the modern birthstone for this month. Diamond is the mystical birthstone from Tibetan origin that dates back over a thousand years.
According to the lunisolar Chinese calendar, there are 189 days remaining before the start of the next Chinese New Year.
August 12: More About This Day
It is the peak of the Perseid meteor shower. It is also known as the “Glorious Twelfth” in the UK, as it marks the traditional start of the grouse shooting season.
What Happened On August 12
- 30 BC –Cleopatra VII Philopator, the last ruler of the Egyptian Ptolemaic dynasty, commits suicide, allegedly by means of an asp bite.
- 1099 –First Crusade: Battle of Ascalon Crusaders under the command of Godfrey of Bouillon defeat Fatimid forces led by Al-Afdal Shahanshah. This is considered the last engagement of the First Crusade.
- 1121 –Battle of Didgori: the Georgian army under King David the Builder wins a decisive victory over the famous Seljuk commander Ilghazi.
- 1164 –Battle of Harim: Nur ad-Din Zangi defeats the Crusader armies of the County of Tripoli and the Principality of Antioch.
- 1676 –Praying Indian John Alderman shoots and kills Metacomet, the Wampanoag war chief, ending King Philip’s War.
- 1793 –The Rhône and Loire (Lêre) départments are created when the former département of Rhône-et-Loire is split into two.
- 1806 –Santiago de Liniers re-takes the city of Buenos Aires after the first British invasion.
- 1851 –Isaac Singer is granted a patent for his sewing machine.
- 1877 –Asaph Hall discovers the Mars moon Deimos.
- 1898 –The Hawaiian flag is lowered from Iolani Palace in an elaborate annexation ceremony and replaced with the flag of the United States to signify the transfer of sovereignty from the Republic of Hawai`i to the United States.
- 1944 –Waffen SS troops massacre 560 people in Sant'Anna di Stazzema.
- 1953 –Nuclear weapons testing: the Soviet atomic bomb project continues with the detonation of Joe 4, the first Soviet thermonuclear weapon.
- 1953 –The islands of Zakynthos and Kefalonia in Greece are severely damaged by an earthquake measuring 7.3 on the Richter scale.
- 1964 –Charlie Wilson, one of the Great Train Robbers, escapes from Winson Green Prison in Birmingham, England.
- 1964 –South Africa is banned from the Olympic Games due to the country’s racist policies.
- 1976 –Between 1,000 and 3,500 Palestinians are killed in the Tel al-Zaatar massacre, one of the bloodiest events of the Lebanese Civil War
- 1982 –Mexico announces it is unable to pay its enormous external debt, marking the beginning of a debt crisis that spreads to all of Latin America and the Third World.
- 1992 –Canada, Mexico and the United States announce completion of negotiations for the North American Free Trade Agreement (NAFTA).
- 2000 –The Oscar class submarine K-141 Kursk of the Russian Navy explodes and sinks in the Barents Sea during a military exercise.
- 2007 –The bulk carrier M/V New Flame collides with the oil tanker Torm Gertrud at the southernmost tip of Gibraltar, ending up partially submerged.
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