With the loss of the study of ancient Greek in the early medieval Latin West, Aristotle was practically unknown there from c. AD 600 to c. 1100 except through the Latin translation of the Organon made by Boethius.

The Astronomer ( Vermeer ) | The Astronomer by Johannes Vermeer ( c. 1668 )

Brygos ( potter signed ), Tondo of an Attic red-figure cup c. 470 BC, Louvre.

* Homer, Iliad ii. 595 – 600 ( c. 700 BCE )

Symbols on Gerzean pottery resembling Egyptian hieroglyphs date back to c. 4000 BC, suggesting a still earlier possible date.

According to Igor M. Diakonoff ( 1988: 33n ), Proto-Afroasiatic was spoken c. 10, 000 BC.

According to Christopher Ehret ( 2002: 35 – 36 ), Proto-Afroasiatic was spoken c. 11, 000 BC at the latest and possibly as early as c. 16, 000 BC.

The word can be traced from the Middle Egyptian ( c. 2000 BC ) word dj-b-t " mud sun-dried brick.

" As Middle Egyptian evolved into Late Egyptian, Demotic, and finally Coptic ( c. 600 BC ), dj-b-t became tobe " brick.

Abū ʿAlī al-Ḥusayn ibn ʿAbd Allāh ibn Sīnā ( Persian پور سينا Pur-e Sina " son of Sina "; c. 980 – 1037 ), commonly known as Ibn Sīnā or by his Latinized name Avicenna, was a Persian polymath, who wrote almost 450 treatises on a wide range of subjects, of which around 240 have survived.

* Livius Andronicus ( c. 284 BC – 204 BC ), introduced drama to the Romans and produced the first formal play in Latin in c. 240 BC

Homer in the company of Calliope, the Muse of epic poetry ( replica of Roman Empire | Roman Imperial mosaic, c. 240 AD, from Vichten )

Sextus Julius Africanus ( c. 160 – c. 240 ) was a Christian traveller and historian of the late 2nd and early 3rd century AD.

* Lactantius ( c. 240 – c. 320 ) Christian theologian, advisor to Constantine I

Examples of ternary signals are ( a ) a pulse that can have a positive, zero, or negative voltage value at any given instant ( PAM-3 ), ( b ) a sine wave that can assume phases of 0 °, 120 °, or 240 ° relative to a clock pulse ( 3-PSK ), and ( c ) a carrier wave that can assume any one of three different frequencies depending on three different modulation signal significant conditions ( 3-FM ).

Zenobia ( 240 – c. 274 ) was a 3rd-century Queen of the Palmyrene Empire in Roman Syria.

* Mercenary War ( c. 240 BC ) – also called the Libyan War and the Truceless War by Polybius – was an uprising of mercenary armies formerly in the employ of Carthage, backed by Libyan settlements revolting against Carthaginian control.

Tertullian of Carthage ( c. 160-c. 240 ):

* Diocles ( mathematician ) ( c. 240 BC – c. 180 BC ), Greek mathematician and geometer

Crystallographic studies of cytochrome c oxidase show an unusual post-translational modification, linking C6 of Tyr ( 244 ) and the ε-N of His ( 240 ) ( bovine enzyme numbering ).

Masinissa ( c. 240 or 238 BC-c. 148 BC ) — also spelled Massinissa and Massena — was the first King of Numidia, an ancient North African nation of ancient Berber tribes.

The most likely time for the reign of Sri Gupta is c. 240 – 280 CE.

* Kanishka II ( c. 230 – 240 )

* Vashishka ( c. 240 – 250 )

* Sri-Gupta I ( c. 240 – 290 )

Posidippus of Pella (, Poseidippos, c. 310 BC – 240 BC ) was an Ancient Greek epigrammatic poet.

* Lucius Caesonius Lucillus Macer Rufinianus ( c. 240 )

**** Theravāda ( c. 240 BCE )

At c. 30, 244, 050 km² ( 11, 677, 240 mi² ) including its adjacent islands, it covers 20. 3 % of the total land area on Earth, and with over 800 million human inhabitants, it accounts for about one seventh of Earth's human population.

The Mercenary War ( c. 240 BC ) — also called the Libyan War and the Truceless War by Polybius — was an uprising of mercenary armies formerly employed by Carthage, backed by Libyan settlements revolting against Carthaginian control.

* Kanada ( c. 600 BCE ), founded the philosophical school of Vaisheshika, gave theory of atomism

* Kapila ( c. 500 BCE ), proponent of the Samkhya system of philosophy

* Pingala ( c. 500 BCE ), author of the Chandas shastra

* Chanakya ( c. 350-c. 275 BCE ), author of Arthashastra, professor ( acharya ) of political science at the Takshashila University

* Patañjali ( c. 200 BCE ), developed the philosophy of Raja Yoga in his Yoga Sutras.

* Bādarāyaņa ( c. 200 BCE ), author of Brahma Sutras, expounding Advaita Vedanta.

* Gotama ( c. 2nd – 3rd century CE ), wrote Jaimini, author of Purva Mimamsa Sutras.

* Dignāga ( c. 500 ), one of the founders of Buddhist school of Indian logic.

* Asanga ( c. 300 ), exponent of the Yogacara

* Bhartrihari ( c 450 – 510 CE ), early figure in Indic linguistic theory

* Bodhidharma ( c. 440 – 528 CE ), founder of the Zen school of Buddhism

* Vasubandhu ( c. 300 CE ), one of the main founders of the Indian Yogacara school.

* Nagarjuna ( c. 150-250 CE ), the founder of the Madhyamaka ( Middle Path ) school of Mahāyāna Buddhism.

Since in oral languages the elements of sound are for the most part produced linearly in time ( that is, in a word like cat the a sound comes after the c sound, and the t sound comes after that ), they can generally be easily written in a linear ( one-dimensional ) writing system such as an alphabet.

::: I. Tiberius Claudius Severus Proculus ( c. 163-218 ), had one child

:::::: i. Pomponia Bassa ( born c. 250 ), had one child

:::::::: i. Septimia ( born c. 305 ), had one child

::::::::::: i. Valerius Adelphius ( born c. 385 ), had one child

Anbar was originally called Firuz Shapur ( Firuz Shabur ; Aramic: פירוז שבור ), or Perisapora and was founded c. 350 by Shapur II, Sassanid king of Persia.