The Founding King Abdulaziz Bin Abdulrahman Al Saud unified the regions of the country under his rule over approximately thirty years. A Royal Order was issued announcing the unification of the country and naming it the Kingdom of Saudi Arabia on September 18, 1932, to take effect starting Thursday, September 23, 1932. After the proclamation of the unification of Saudi Arabia as an independent Arab state, its religion is Islam, its language is Arabic, its capital is Riyadh, and its constituti...