Ibn Saud, also known as King Abdulaziz Al Saud, was the founder of modern Saudi Arabia. Born in 1880, he began his quest to unify the Arabian Peninsula in the early 20th century. After a series of military campaigns, he successfully established the Kingdom of Saudi Arabia in 1932, becoming its first king. Ibn Saud's reign was marked by significant modernization efforts, including the development of infrastructure and the discovery of oil in the 1930s. His leadership laid the foundation for the country's political and economic systems, shaping Saudi Arabia's role in the region and the world.