The twenty-ninth of Jumada al-Akhira:
It happened on this day,,
* Year 354 AH / July 965 AD The death of the Muslim scholar Al-Hasan bin Al-Haytham, He was born in Basra and spent most of his life in Cairo, He has made significant contributions to mathematics, optometry, physics, astronomy, engineering, ophthalmology and science in general.
He has many scientific writings and discoveries confirmed by modern science, Ibn al-Haytham corrected some of the prevailing concepts at that time based on the theories of Aristotle, Ptolemy and Euclid, To him are attributed the principles of the invention of the camera, He was the first to explain the eye completely and explain the functions of its organs, He is the first to study the psychological effects and factors of vision.
* Year 583 AH / September 1187 AD Saladin recaptures Ashkelon from the Crusaders.