Who founded Saudi Arabia?

The founder of Saudi Arabia was Abdulaziz bin Abdul Rahman bin Faisal Al Saud, also known as Ibn Saud. He was the first king of the modern Kingdom of Saudi Arabia and the founder of the House of Saud, the ruling family of Saudi Arabia. Ibn Saud was born in Riyadh in 1875 and began his political career in the early 1900s, leading a series of military campaigns to unify the Arabian Peninsula. He established the Kingdom of Saudi Arabia in 1932 and ruled until his death in 1953. During his reign, Ibn Saud transformed the country from a collection of warring tribes into a modern nation-state and played a key role in shaping the modern history of the Middle East.