'Cynisca (born c. 440 BC) was a Greek princess of Sparta. She became the first woman in history to win at the ancient Olympic Games. Cynisca was born around 440 BC in the ancient Greek city of Sparta and was the daughter of the Eurypontid king of Sparta, Archidamus II, and Eupoleia. She was also the sister of the later king of Sparta, Agesilaus II. She is said to have been a tomboy, an expert equestrian and very wealthy, the perfect qualifications for a successful trainer.