《尚书·周书·武成》
四月丁未日，武王在周庙举行祭祀，建国于甸服、侯服、卫服的诸侯都忙于奔走，陈设木豆、竹笾等祭器。
丁未，祀于周庙，邦甸、侯、卫，骏奔走，执豆、笾。
On the day dingwei of the fourth month, King Wu offered sacrifices in the temple to the ancestors of Zhou, and the ruling lords of the dian vassal states, hou vassal states, and wei vassal states were all occupied with running about, setting out wooden dou and bamboo zun vessels for the sacrifices.