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Historical events & facts — September 23

What happened on September 23?

On September 23, 1846, astronomers *Johann Galle* and *Heinrich d'Arrest* at the Berlin Observatory confirmed the existence of *Neptune*, the eighth planet of the solar system. Its position had been mathematically predicted by *Le Verrier* and *Adams* from perturbations in Uranus's orbit. It was the first planet discovered through calculation rather than observation.
🔭1846

On September 23, 1846, astronomers Johann Galle and Heinrich d'Arrest at the Berlin Observatory confirmed the existence of Neptune, the eighth planet of the solar system. Its position had been mathematically predicted by Le Verrier and Adams from perturbations in Uranus's orbit. It was the first planet discovered through calculation rather than observation.

On September 23, 1932, King *Abdulaziz ibn Saud* proclaimed the unification of the regions of *Hejaz* and *Nejd* under the name of the *Kingdom of Saudi Arabia*, founding the state that bears his family's name. The country controls the *Two Holy Cities* of Islam — Mecca and Medina — and holds the world's largest oil reserves.
🇸🇦1932

On September 23, 1932, King Abdulaziz ibn Saud proclaimed the unification of the regions of Hejaz and Nejd under the name of the Kingdom of Saudi Arabia, founding the state that bears his family's name. The country controls the Two Holy Cities of Islam — Mecca and Medina — and holds the world's largest oil reserves.

On May 14, 1811, *Paraguay* proclaimed its independence from Spain — and also from Buenos Aires — making it one of the first countries in South America to do so. Under the leadership of *Doctor Francia*, who governed for decades as dictator, Paraguay isolated itself from the outside world in an unprecedented political experiment in Latin American history.
🇵🇾1811

On May 14, 1811, Paraguay proclaimed its independence from Spain — and also from Buenos Aires — making it one of the first countries in South America to do so. Under the leadership of Doctor Francia, who governed for decades as dictator, Paraguay isolated itself from the outside world in an unprecedented political experiment in Latin American history.

Notable birthdays — September 23

Famous people born on September 23

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63 BC

Year 63 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Cicero and Hybrida. The denomination 63 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

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Anne Desclos

Anne Cécile Desclos was a French literary critic, journalist, and novelist who wrote under the pen names Dominique Aury and Pauline Réage. She is best known for her erotic novel Story of O (1954).

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Colin Blakely

Colin George Edward Blakely was a Northern Irish stage and screen actor. He was nominated for a BAFTA Award for Best Actor in a Supporting Role for his performance in Sidney Lumet's Equus (1977), and was nominated twice for a Best Actor in Television. He was also an Olivier Award nominee.

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Tareq Suheimat

Tareq Salah Attalla Suheimat, was a distinguished Jordanian physician, nephrologist, military General, and statesman. Born in the historic city of Al-Karak in southern Jordan, Suheimat studied in Amman's schools and then studied medicine in a number of universities, institutes and hospitals in the United Kingdom and the United States of America.

Colin Low, Baron Low of Dalston

Colin Low, Baron Low of Dalston

Colin Mackenzie Low, Baron Low of Dalston, is a British politician, law scholar and former member of the House of Lords.

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