Africa, especially central eastern Africa, is widely regarded within the scientific community to be the origin of humans and the Hominidae tree, as evidenced by the discovery of the earliest Hominids, as well as later ones that have been dated to around 7 million years ago including Sahelanthropus tchadensis, Africanus, Homo Erectus, with the earliest humans being dated to ca. 200,000 years ago, according to this view.