Before revision: It was probably the first use humans made of lunar cycles.Oken 2006, p. 16 Evidence of its practice dates back thousands of years to the ancient peoples of the Nile and Euphrates River valleys.
After revision: one ofIt was probably the first use humans made of lunar cycles.Oken 2006, p. 16 Evidence of its practice dates back thousands of years to the ancient peoples of the Nile and Euphrates River valleys.