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Chacchoben (pronounced chac-CHO-bin) is a Maya site dated to c. 700 located in the state of Quintana Roo, Mexico. Once a large and significant urban religious center, the city was abandoned c. 900-950 CE at about the same time as the other...

Esarhaddon (r. 681-669 BCE) was the third king of the Sargonid Dynasty of the Neo-Assyrian Empire. He was the youngest son of King Sennacherib (r. 705-681 BCE), and his mother was not the queen but a secondary wife, Zakutu (also known as...

Cheomseongdae (Chomsongdae) is a 7th-century CE observatory tower located in Gyeongju, the capital of the Silla Kingdom of ancient Korea. It is the oldest surviving astronomical observatory in East Asia and is listed as no. 31 on the official...

Gustav Holst (1874-1934) was a British composer of Swedish origin most famous for his dramatic orchestral suite The Planets, first performed in public in 1919. Holst also composed several operas, wrote sacred choral works such as The Hymn...

The Black Death is the 19th-century CE term for the plague epidemic that ravaged Europe between 1347-1352 CE, killing an estimated 30 million people there and many more worldwide as it reached pandemic proportions. The name comes from the...

Mesopotamia (from the Greek, meaning 'between two rivers') was an ancient region located in the eastern Mediterranean bounded in the northeast by the Zagros Mountains and in the southeast by the Arabian Plateau, corresponding to modern-day...

The Scientific Revolution (1500-1700), which occurred first in Europe before spreading worldwide, witnessed a new approach to knowledge gathering – the scientific method – which utilised new technologies like the telescope to observe, measure...

The Gupta Empire stretched across northern, central and parts of southern India between c. 320 and 550 CE. The period is noted for its achievements in the arts, architecture, sciences, religion, and philosophy. Chandragupta I (320 – 335 CE...

Civilization (from the Latin civis=citizen and civitas=city) is a term applied to any society which has developed a writing system, government, production of surplus food, division of labor, and urbanization. The term is difficult to define...

A 3rd Century CE mosaic from Tusculum, a major ancient Roman city in the Latium region of Italy. Athena (Minerva), goddess of war, can be seen (middle) with the phases of the moon surrounding her. This mosaic is held in the Greek Cross Room...