Khalifa bin Hamad Al Thani
Sheikh Ahmad bin Ali bin Abdullah bin Jassim bin Mohammed Al Thani, (1922 – 25 November 1977) (), also known as Sheikh Ahmad bin Ali Al Thani for short, was the Emir of Qatar who ruled from 1960 to 1972. Qatar's financial status witnessed significant improvements during his reign as a result of the enrichment and discovery of several new oil fields. Qatar also gained its independence as a sovereign state in September 1971 under his rule. He was deposed in February 1972 by his cousin, Khalifa bin Hamad Al Thani.