context: History of the Kingdom of Saudi Arabia In the middle of the fifteenth century AD, the great ancestor of the family of Al Saud Manea bin Rabia Al-Muridi immigrated from the vicinity of Qatif to Najd, where he settled and established the city of Diriyah. [1] [2] The beginning of Saudi Arabia was with the founding of the first Saudi state (the Emirate of Diriyah) at the hands of Muhammad bin Saud in 1157 AH / 1744 which ended in 1233 AH / 1818, [3] [4] followed by the second Saudi state (the Emirate of Najd It had started after the fall of the first state until it ended in the year 1308 AH / 1891. [5] Later attempts were made to establish a third Saudi state, and this was done by Abdulaziz Al Saud in 1319 AH / 1902, and later became the Sultanate of Najd and then the Kingdom of Hijaz and Najd and its annexes until it became under the name of the Kingdom of Saudi Arabia after the unification of all its lands in one entity, and that was 1351 AH / September 23, 1932 A.D. [6]
question: When did the Kingdom of Saudi Arabia originate?
answers.text: 1744