Encyclopædia Britannica, Ninth Edition/Agroteras Thusia

For works with similar titles, see Agroteras Thusia.

Agroteras Thusia, an annual festival at Athens in honour of Artemis or Diana, in fulfilment of a vow made by the city before the battle of Marathon to offer in sacrifice a number of goats equal to that of the Persians slain in the conflict. The number was afterwards restricted to 500.