Cleinias was a tyrant of the ancient Greek city-state of Sicyon in the 3rd century BC. He came into power when the citizens deposed Euthydemus and Timocleidas. The historian Plutarch believed that Timocleidas aided Cleinias as tyrant. As tyrant, Cleinias oversaw the construction of a gymnasium for Sicyon. He was murdered in 264 BC by Abantidas, and was the father of Aratus, who was born in 271 BC. A tyrant (from Greek τυραννος tyrannos) is a usurper of rightful power, possessing absolute power and ruling by tyranny. ... Ancient Greece is the term used to describe the Greek-speaking world in ancient times. ... A city-state is a region controlled exclusively by a city. ... Sicyon, an ancient Greek city situated in the northern Peloponnesus between Corinth and Achaea. ... (4th century BC - 3rd century BC - 2nd century BC - other centuries) (2nd millennium BC - 1st millennium BC - 1st millennium AD) Events The first two Punic Wars between Carthage and Rome over dominance in western Mediterranean Rome conquers Spain Great Wall of China begun Indian traders regularly visited Arabia Scythians occupy... A historian is a person who studies history. ... Mestrius Plutarch (c. ... The gymnasium of the Greeks originally functioned as the school where competitors in the public games received their training, and was so named from the circumstance that these competitors exercised naked (gymnos). ... Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 310s BC 300s BC 290s BC 280s BC 270s BC - 260s BC - 250s BC 240s BC 230s BC 220s BC 210s BC Years: 269 BC 268 BC 267 BC 266 BC 265 BC - 264 BC - 263 BC 262 BC... Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 320s BC 310s BC 300s BC 290s BC 280s BC - 270s BC - 260s BC 250s BC 240s BC 230s BC 220s BC 276 BC 275 BC 274 BC 273 BC 272 BC - 271 BC - 270 BC 269 BC 268...