Notable Deaths on October 23

Ignatius of Constantinople was the Ecumenical Patriarch of Constantinople from 847 to 858 and from 867 to 877. Ignatius lived during a complex time for the Byzantine Empire. The Iconoclast Controversy was ongoing, Boris…

Abu Ishaq Ibrahim II ibn Ahmad was the Emir of Ifriqiya. He ruled from 875 until his abdication in 902. After the demise of his brother, Ibrahim was endorsed as emir where he took steps to improve safety in his domain…

Hyejong, personal name Wang Mu, was the second king of the Goryeo dynasty of Korea. He was preceded by King Taejo and succeeded by King Jeongjong.

Abū aṣ-Ṣalt Umayya ibn ʿAbd al-ʿAzīz ibn Abī aṣ-Ṣalt ad-Dānī al-Andalusī, known in Latin as Albuzale, was an Andalusian-Arab polymath who wrote about pharmacology, geometry, Aristotelian physics, and astronomy. His…

John of Capistrano, OFM was an Italian Franciscan friar and Catholic priest from the town of Capestrano, Abruzzo. Famous as a preacher, theologian, and inquisitor, he earned himself the nickname "the Soldier Saint" when…

Michael Neander was a German teacher, mathematician, medical academic, and astronomer.

Charles du Fresne, sieur du Cange, also known simply as Charles Dufresne, was a French philologist and historian of the Middle Ages and Byzantium.

Vice-Admiral Emmanuel-Auguste de Cahideuc, comte Dubois de la Motte was a French Navy officer.

Georg August Wallin, also known as Abd al-Wali, was a Finland Swede orientalist, explorer and professor at the University of Helsinki, remembered for his journeys across the Arabian Peninsula in the 1840s. He was the…

Edward George Geoffrey Smith-Stanley, 14th Earl of Derby, known as Lord Stanley from 1834 to 1851, was a British statesman and Conservative politician who served three times as Prime Minister of the United Kingdom. To…