Saudi Arabia's history began around 1850 in the heart of the Arabian Peninsula when local leader Muhammad bin Saud joined forces with Muhammad bin Abdul Wahahab. Established a new kingdom called the first Saudi Kingdom. Separated from the Ottoman Empire But the present-day Saudi Arabia was founded for the second time by King Abdul Aziz Al-Saud (better known as Ibnusaud) in 1902. Taken Riyadh, the ancient capital of Saud dynasty. Returned from the Al-Rashid family. Which was the rival of Saud dynasty, after that, the army took over various provinces, including Al-Hasa, Najad and Hijaz, which was the location of Makkah and Madinah in the year In 1932 Ibnusaud reunited as the Kingdom of Saudi Arabia.
The Kingdom of Saudi Arabia was founded in 1932 by Ibn Saud. He united the four regions into a single state through a series of conquests beginning in 1902 with the capture of Riyadh, the ancestral home of his family, the House of Saud. Saudi Arabia has since been a totalitarian absolute monarchy, effectively a hereditary dictatorship governed along Islamist lines. The ultraconservative Wahhabi religious movement within Sunni Islam has been called "the predominant feature of Saudi culture", with its global spread largely financed by the oil and gas trade.Saudi Arabia is sometimes called "the Land of the Two Holy Mosques" in reference to Al-Masjid al-Haram (in Mecca) and Al-Masjid an-Nabawi (in Medina), the two holiest places in Islam. The state's official language is Arabic.