Abdulaziz Al Saud, also known as Ibn Saud, was the founder of the modern state of Saudi Arabia. Born in 1876, he united the various tribes and regions of the Arabian Peninsula, establishing the Kingdom in 1932. His leadership marked the beginning of significant political and social changes in the region. As king, Abdulaziz implemented various reforms and modernizations, including the establishment of a centralized government and the promotion of infrastructure development. He played a crucial role in the discovery of oil in Saudi Arabia, which transformed the country's economy and global standing. Abdulaziz passed away in 1953, leaving a lasting legacy.