Definitions

The Oyo Empire flourished from the 17th to 19th century CE in what is today southwest Nigeria. The Oyo forged an empire thanks to their formidable cavalry units and so came to dominate other Yoruba peoples of the region. The Oyo Empire...

The Kingdom of Luba, located in central Africa, thrived from the 15th to 19th century CE and was the first such state in the Congo basin. Skills in ironworking and trade along the Lualaba river in such metals as copper permitted...

Electra is a Greek tragedy written by the playwright Euripides, c. 420 BCE. It retells the classic myth concerning the plotting of Electra and her brother Orestes to kill their mother and her lover. This version of the story...

Bellerophon (aka Bellerophontes) is the Corinthian hero of Greek mythology who famously battled and killed the fantastical Chimera monster, a fearsome fire-breathing mix of lion, goat, and snake. Bellerophon was the son of Poseidon...

The Abbasids were an Arabic dynasty that initially ruled over most of the Islamic empire (save some western parts) after assuming the caliphate in 750 CE, later on, their empire fragmented, however, they retained spiritual supremacy...

The Battle of Cannae (2 August 216 BCE) was the decisive victory of the Carthaginian army over Roman forces at Cannae, southeast Italy, during the Second Punic War (218-202 BCE). The Carthaginian general Hannibal Barca (l. 247-183...

Orpheus is a figure from ancient Greek mythology, most famous for his virtuoso ability in playing the lyre or kithara. His music could charm the wild animals of the forest, and even streams would pause and trees bend a little closer...

The Hundred Years' War (1337-1453) was an intermittent conflict between England and France lasting 116 years. It began principally because King Edward III (r. 1327-1377) and Philip VI (r. 1328-1350) escalated a dispute over...

Menelaus (also Menelaos) is a figure from ancient Greek mythology and literature who was the king of Sparta and the husband of beautiful Helen, whose abduction by the Trojan prince Paris sparked off the legendary Trojan War. The story...

Menelaus of Alexandria was a Greek astronomer, scientist, and mathematician who lived around 100 CE. Menelaus made a significant and lasting contribution to the fields of astronomy, geometry, and trigonometry. His major work...