King Faisal was the King of Saudi Arabia from 1964 until his assassination in 1975. He is known for modernizing the country and implementing significant reforms in education, healthcare, and infrastructure. His leadership helped to strengthen Saudi Arabia's economy, particularly through the oil industry, which became a major source of national revenue. Faisal was also a prominent figure in the Arab world, advocating for Arab unity and supporting the Palestinian cause. He played a crucial role in the 1973 oil embargo, which aimed to leverage oil resources in response to Western support for Israel during the Yom Kippur War. His reign is remembered for both progress and challenges in the region.