Apellai

Apellai (ἀπέλλαι), was a three-day family-festival of the Northwest Greeks similar with the Ionic Apaturia, which was dedicated to Apollo (Doric form:Ἀπέλλων). The fest was spread in Greece by the Dorians as it is proved by the use of the month Apellaios (Ἀπελλαῖος or Ἀπελλαιών in Ionic Tenos). There is evidenc...
Found on http://en.wikipedia.org/wiki/Apellai

Apellai

Dorian festival of Apollo celebrated at Sparta and elsewhere. Corresponded to the Ionian festival of Apaturia. At Sparta, the festival was celebrated monthly, on the seventh, when the Spartan assembly met.
Found on http://www.religionfacts.com/greco-roman/glossary.htm
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