Another is on August 15-20 in memory of Nguyen Trai, a Vietnamese political activist and a very famous literator from the 14 th century. In Dau Village, Thanh Khuong Commune, Thuan Thanh District, Bac Ninh Province. Compete in the making day cake, a specialty of the Dau Village. The racetrack is an even ground, preferably wide enough for 10 elephants and 1 to 2 km long. Elephant races are the biggest festival to take place in the Central Highlands and bear the martial spirit of M'nong ethnic group.
M'nong men are well known for their bravery and experience in hunting wild elephants.
The festival is held in Hon Chen Temple, located on Ngoc Tran Mountain, and also in the communal house in Hue City. The festival is celebrated in honour of the Holy Mother, Thien Yana who, according to Cham legends, created the land and the trees, and also taught people the art of growing these trees. This is a traditional popular ceremony in Hue, with many attractive rites, creating a sacred atmosphere in a natural romantic and loving framework, attracting dozens of thousands of visitors and worshippers. This festival organized annually in memory of two heroines, the Trung sisters, who rose a rebellion against invaders in the first century B.C in Dong Nhan Temple, Hai Ba Trung Dist.