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Antikythera Mechanism
The Antikythera mechanism (also known as the Antikythera Device), dated to the late 2nd century/early 1st century BCE (roughly 205-60 BCE) is understood as the world's first analog computer, created to accurately calculate the position of...
Definition
Croesus
Croesus (r. 560-546 BCE) was the King of Lydia, a region in western Asia Minor (modern-day Turkey) and was so wealthy that the expression "as rich as Croesus" originates in reference to him. Best known for his wealth, he is also famous for...
Definition
Pyrrho
Pyrrho of Elis (l. c. 360 to c. 270 BCE) was a Greek skeptic philosopher credited with founding the school of Pyrrhonism which taught that one must resist making judgments or stating conclusions because sense perception did not correlate...
Definition
Wonhyo
Wonhyo (l. 617-686 CE) was a Korean Buddhist philosopher whose works impacted a wide array of later philosophers and writers through his teaching that one’s interpretation of the world created one’s reality. He is highly regarded as the greatest...
Definition
Etowah Mounds
Etowah Mounds (also known as Etowah Indian Mounds) is a National Historic Landmark and archaeological site near Cartersville, Georgia, USA, enclosing the ruins of a prehistoric Native American city whose original name is unknown. The present...
Definition
Trinity
The Christian doctrine of the Trinity (from the Latin trinus, meaning "threefold") professes that there is one God, but three eternal and consubstantial persons (aspects): the Father, the Son, and the Holy Spirit. The Father is the God of...
Definition
Ancient Persian Mythology
The mythology of ancient Persia originally developed in the region known as Greater Iran (the Caucasus, Central Asia, South Asia, and West Asia). The Persians were initially part of a migratory people who referred to themselves as Aryan...
Definition
Ridda Wars
The Ridda Wars or the Wars of Apostasy (632-633 CE) were a series of military engagements between the armies of the Rashidun Caliphate (632-661 CE) and the renegade tribes of Arabia. The rebels had renounced their allegiance with the nascent...
Definition
Hel
Hel is the queen of the afterlife realm of Hel in Norse mythology. She is the daughter of the god Loki and giantess Angrboda and sister of Fenrir the wolf and Jörmungandr the World Serpent. Although often referenced as a goddess, Hel is more...
Definition
Sif
Sif is a fertility goddess in Norse mythology, wife of the thunder god Thor, best known for the story in which the trickster god Loki cuts her hair as a prank and is forced to replace it with a magical headpiece, leading to the creation of...