The Spinal Nerves Description There are thirty-one pairs of spinal nerves. These nerves are mixed, having both a sensory and a motor aspect. Their motor fibers begin on the ventral part of the spinal cord at the anterior horns of the gray matter.
1871 - The Ottomans take control of the province of Hasa. 1891 - The Al Saud family are exiled to Kuwait by the Rashidi family. 1902 - Abd-al-Aziz (often known as Ibn Saud) takes control of Riyadh bringing the Al Saud family back into. Saudi Arabia. 1912 - The Ikhwan (Brotherhood) is founded based on Wahhabism; it grows quickly and provides key support. for Abd-al-Aziz.
Over the following 150 years, the extent of the Al Saud territory fluctuated. However, between 1902 and 1927, the Al Saud leader, Abdulaziz, carried out a series of wars of conquest which resulted in his establishing the Kingdom of Saudi Arabia in 1932.From 1932 until his death in 1953, Abdulaziz ruled Saudi Arabia as an absolute monarchy. Fahd became king in 1982 - during his reign Saudi Arabia became the largest oil producer in the world. 2  However, internal tensions increased when the country allied itself with the United States, and others, in the Gulf War of 1991.