Ahmad bin Ali Al Thani vs Louis I of Hesse-Darmstadt

Ahmad bin Ali Al Thani became the Emir of Qatar on October 24, 1960, after the abdication of his father, Ali bin Abdullah Al Thani. His reign coincided with Qatar's transition from a British protectorate to an independent state.

Under Emir Ahmad bin Ali, Qatar declared independence from the United Kingdom on September 3, 1971, ending the British protectorate. He signed a treaty of friendship with Britain and established Qatar as a sovereign state.

On February 22, 1972, Emir Ahmad bin Ali was deposed in a bloodless coup led by his cousin, Khalifa bin Hamad Al Thani, while Ahmad was abroad in Iran. The coup was supported by the Al Thani family and the Qatari military.

Louis I succeeded his father Louis IX as Landgrave of Hesse-Darmstadt. He inherited a small, relatively poor state that was caught between the major powers of France and Austria.

Louis I allied with Napoleon by joining the Confederation of the Rhine. In return, he was elevated to Grand Duke and received territorial gains, including parts of the former Holy Roman Empire.

After Napoleon's defeat at Leipzig, Louis I switched sides and joined the Sixth Coalition. He was allowed to keep his title and territories, preserving his rule through the post-Napoleonic settlement.

Under pressure from liberal movements, Louis I granted a constitution to Hesse-Darmstadt. This established a bicameral parliament and limited civil rights, making Hesse-Darmstadt one of the more progressive German states.