Definitions

The Third Crusade (1189-1192 CE) was launched to retake Jerusalem after its fall to the Muslim leader Saladin in 1187 CE. The Crusade was led by three European monarchs, hence its other name of 'the Kings' Crusade'. The three leaders were...

The Knights Hospitaller was a medieval Catholic military order founded in 1113 CE with the full name of 'Knights of the Order of the Hospital of Saint John of Jerusalem'. After their base was relocated to Rhodes in the early 14th century...

Constantine X Doukas was the ruler of the Byzantine Empire from 1059 to 1067 CE. During his reign, the Byzantine Empire was attacked by emerging enemies on all sides, including the Normans in Italy and the Seljuk Turks in Armenia and Anatolia...

The Clouds is a comedy written c. 423 BCE by the Greek playwright Aristophanes (c. 448 BCE – c. 385 BCE). A failure at the Dionysia competition, finishing third out of three, it was revised later in 418 BCE but never produced in the author's...

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...

Marcus Furius Camillus (c. 445/446-365 BCE) was the first great general of the Roman Republic to also prove himself an able administrator and honorable politician. He was chosen as dictator five times, celebrated four triumphs, and was hailed...

The Hanging Gardens of Babylon were the fabled gardens which beautified the capital of the Neo-Babylonian Empire, built by its greatest king Nebuchadnezzar II (r. 605-562 BCE). One of the Seven Wonders of the Ancient World, they are the only...

Isaac I Komnenos was the Byzantine emperor from 1057 to 1059 CE. Although his reign was brief, he was known for being a capable and militarily astute general and emperor. As the first emperor to lead troops himself in battle in over 30 years...

The Mausoleum at Halicarnassus (Bodrum, Turkey), was a massive tomb built for Mausolus, the ruler of Caria, c. 350 BCE. The marble structure was so immense and decorated with such an array of striking sculptures that it made it onto the list...

The Temple of Artemis at Ephesus was located on the western coast of Asia Minor (modern Turkey) and built in the 6th century BCE. Such was its tremendous size, double the dimensions of other Greek temples including the Parthenon, that it...