Оромо
Moreover, the Oromo people celebrate this auspicious event to mark the end of the rainy season, known as Ganna, which was established by Oromo forefathers, in the time of Gadaa Melbaa in Mormor, Oromia. The auspicious day on which this last Mormor Day of Gadaa Melbaa - the Dark Time of starvation and hunger- was established on the Sunday of last week of September or the Sunday of the 1st week of October according to the Gadaa lunar calendar has been designated as National Thanksgiving Day by modern-day Oromo people.