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...

Pergamon (also Pergamum) was a major intellectual and cultural center in Mysia (northwest Asia Minor, modern-day Turkey) which flourished under the Attalid Dynasty (281-133 BCE) during the Hellenistic Period. It was the capital of the Kingdom...

Galatia was a region in north-central Anatolia (modern-day Turkey) settled by the Celtic Gauls c. 278-277 BCE. The name comes from the Greek for "Gaul" which was repeated by Latin writers as Galli. The Celts were offered the region by the...

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'...

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...

Egypt is a country in North Africa, on the Mediterranean Sea, and is home to one of the oldest civilizations on earth. The name 'Egypt' comes from the Greek Aegyptos which was the Greek pronunciation of the ancient Egyptian name 'Hwt-Ka-Ptah'...

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...

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...

Alexander Helios (40 BCE – c. late 1st century BCE) was a member of the Ptolemaic dynasty, the second oldest son of Cleopatra VII (69 BCE – 30 BCE) and the twin brother of Cleopatra Selene II (40 BCE – 5 BCE). He spent the majority of his...