Yarchei Kallah (Hebrew: ירחי כלה) is the name of a teachers` convention that was held twice a year in Babylonian Academies, by the Jews then in captivity in Babylon, after the beginning of the amoraic period, in the two months Adar and Elul. For each year`s convention of the Kallah, a treatise of the Mishnah was written forming the subjec..... Found on http://en.wikipedia.org/wiki/Kallah