Ptolemy i soter: Did you mean...?

Hipparchus of Nicea (l. c. 190 - c. 120 BCE) was a Greek astronomer, geographer, and mathematician regarded as the greatest astronomer of antiquity and one of the greatest of all time. He is best known for his discovery of the precession...

The Library of Pergamon was established in the city of Pergamon (also Pergamum) by the Attalid King Eumenes II (r. 197-159 BCE) and became the most famous and well-respected center of learning after the Library at Alexandria, Egypt. The library...

The Faiyum (also given as Fayoum, Fayum, and Faiyum Oasis) was a region of ancient Egypt known for its fertility and the abundance of plant and animal life. Located 62 miles (100 kilometers) south of Memphis (modern Cairo), the Faiyum was...

Greek mathematics, the study of numbers and their properties, patterns, structure, space, apparent change, and measurement, is said to have originated with Thales of Miletus (l. c. 585 BCE) but was clearly understood during the periods of...

The astronomers of the Scientific Revolution rejected long-held theories of ancient thinkers like Claudius Ptolemy and Aristotle and instead set out to systematically observe the heavens in order to create a model of the universe that fit...

Side (pronounced see-day) was a city on the southern coast of Cilicia (modern-day Turkey) first settled in the 7th century BCE by immigrants from Cyme, an Aeolian municipality to the north near the kingdom of Lydia. Its name means 'pomegranate'...

Galatia was the most long-lasting and powerful Celtic settlement outside of Europe. It was the only kingdom of note to be forged during the Celtic invasions of the Mediterranean in the 4th and 3rd centuries BCE. From its foundation, Galatia...

Apis was the most important and highly regarded bull deity of ancient Egypt. His original name in Egyptian was Api, Hapi, or Hep; Apis is the Greek name. He is not, however, associated with the god Hapi/Hep who was linked to the inundation...

Regarded by the Romans as "fatale monstrum" – a fatal omen – Cleopatra is one of the ancient world's most popular, though elusive figures. The Egyptian queen has been immortalized by numerous writers and filmmakers, most popularly by William...

Cassander (c. 355-297 BCE, r. 305-297 BCE) was self-proclaimed king of Macedon during the political turmoil following Alexander's death. Born in Greece as the son of Antipater, the regent of Macedon and Greece in the absence of Alexander...