Imam Muhammad bin Saud established the first Saudi state in 1139 AH / 1727 AD, with its capital in Diriyah, and it continued until 1233 AH / 1818 AD. The first Saudi state witnessed the organization of economic resources, and thinking about the future, as Imam Muhammad bin Saud loved solitude, contemplation and contemplation. During this era, a new neighborhood was built in Samhan, which is the Al-Tarifa neighborhood and moved to it after the Ghasaiba neighborhood was the center of government for a long time.