Doha is the capital city of Qatar. It has a population of 400,051 according to the 2005 census, and is located in the Ad Dawhah municipality on the Persian Gulf. Doha is Qatar’s largest city, with over 80% of the nation's population residing in Doha or its surrounding suburbs, and is also the economic center of the country. It is also the seat of government of Qatar, which is ruled by Sheikh Hamad bin Khalifa Al Thanithe current ruling Emir of Qatar. Doha is home to the Education City, an area devoted to research and education. Doha was the site of the first ministerial-level meeting of the Doha Development Round of World Trade Organization negotiations. The city of Doha also held the 2006 Asian Games, which was the largest Asian Games ever held. In 1825, the city of Doha was founded under the name Al-Bida. The name Doha came from the Arabic ad-dawha, the big tree. The reference is to a prominent tree that must have stood at the site where the original fishing village arose, on the eastern coast of the Qatar peninsula. In 1825, during the war between Qatar and Bahrain, Doha had been severely damaged and Abu Dhabi was helping Bahrain. The following year, the Ottomons made Sheikh Thani bin Muhammed the Hakim of Doha, and he ultimately became Hakim of Qatar. In 1882, al Rayyan built the Al Wajbah fortress, in southwestern Doha. The following year, Sheikh Qassim led a Qatari army to victory against the Ottomans. The city was made capital of the British protectorate of Qatar in 1916, and when the nation gained independence in 1971, Doha remained the capital of Qatar. In 1917, the Al Kout fortress, which is located in the center of the city, was built by Sheikh Abdulla Bin Qassim Al-Thani. Still, during the early 20th century, much of Qatar's economy depended on fishing and pearling, and Doha had about 350 pearling boats. However, after the introduction of the Japanese cultured pearls in the 1930s, the whole region, including the town of Doha, suffered a major depress...