Hippodrome of Constantinople 1953–1976. Hippodrome of Constantinople The Hippodrome of Constantinople () was a circus that was the sporting and social centre of Constantinople, capital of the Byzantine Empire. Today it is a square named "Sultanahmet Meydanı" ("Sultan Ahmet Square") in the Turkish city of Istanbul, with a few fragments of the original structure surviving. The word "hippodrome" comes from the Greek "hippos" (), horse, and "dromos" (δρόμος), path or way. For this reason, it is sometimes also called "Atmeydanı" ("Horse Square") in Turkish. Horse racing and chariot racing were popular pastimes in the ancient world and hippodromes were common features of Greek
Eureka (word) Fermat polygonal number theorem. Eureka (word) Eureka () is an interjection used to celebrate a discovery or invention. It is a transliteration of an exclamation attributed to Ancient Greek mathematician and inventor Archimedes. "Eureka" comes from the Ancient Greek word "heúrēka", meaning "I found (it)", which is the first person singular perfect indicative active of the verb "heuriskō" "I find". It is closely related to heuristic, which refers to experience-based techniques for problem solving, learning, and discovery. The accent of the English word is on the second syllable, following Latin rules of accent, which require that a penult (next-to-last syllable)