paragraph_text: Yaxing Coach (Yangzhou Yaxing Motor Coach Co., Ltd) is a bus manufacturer based in Yangzhou, Jiangsu, China. It is a subsidiary of Jiangsu Yaxing that was founded in 1998. Buses are produced under the "Yaxing", "Yangtse（Yangzlv）", and more recently Asiastar brands.

paragraph_text: Mouloud () is a town located in the southern Dikhil region of Djibouti. It is located around 102 kilometers south of the capital, Djibouti City.

paragraph_text: Washington, D.C. is the current federal capital city of the United States, as it has been since 1800. Each U.S. state has its own capital city, as do many of its Insular areas. Historically, most states have not changed their capital city since becoming a state, but the capital cities of their respective preceding colonies, territories, kingdoms, and republics typically changed multiple times. There have also been other governments within the current borders of the United States with their own capitals, such as the Republic of Texas, Native American nations, and other unrecognized governments.

paragraph_text: The Roman Catholic Diocese of San Luis, is located in the city of San Luis, capital city of San Luis Province in the Cuyo region of Argentina.

paragraph_text: Islamabad officially became the capital of Pakistan on 14 August 1967, exactly 20 years after the country's independence. Previously, Rawalpindi was the capital, designated in 1958. The first capital of Pakistan was the coastal city of Karachi, which was selected by Muhammad Ali Jinnah. Karachi was and still is the largest city and economic capital of Pakistan. It remained the seat of government until 1959, when the military president, Ayub Khan, decided to build a new capital in the north of Pakistan, near the general headquarters of the Pakistani Armed Forces at Rawalpindi.

paragraph_text: Yinchuan Hedong International Airport is the primary airport serving Yinchuan, the capital of Ningxia Hui Autonomous Region, People's Republic of China. It is located southeast of downtown Yinchuan in the town of Linghe of Lingwu City. A relatively small airport compared to many airports in China, it nevertheless is the autonomous region's main aviation gateway. Its name "Hedong" literally means "East of the River" and derives from the airport's location east of the Yellow River. It is connected to over 20 cities by either direct flights, or transferring in Xi'an and Beijing. The terminal building covers a total area of . In 2013, the airport handled 4,247,843 passengers, making it the 39th-busiest airport in China.

paragraph_text: In 1925 the Kara-Kirghiz Autonomous Oblast was established in Russian Turkestan, promoting Pishpek to its capital. In 1926 the Communist Party of the Soviet Union renamed the city as "Frunze", after the Bolshevik military leader Mikhail Frunze (1885–1925), who was born there. In 1936, the city of Frunze became the capital of the Kirghiz Soviet Socialist Republic, during the final stages of the national delimitation in the Soviet Union.

paragraph_text: Kolkata, formerly known as Calcutta in English, is the capital of the Indian state of West Bengal and is located in eastern India on the east bank of the River Hooghly. The city was a colonial city developed by the British East India Company and then by the British Empire. Kolkata was the capital of the British Indian empire until 1911 when the capital was relocated to Delhi. Kolkata grew rapidly in the 19th century to become the second city of the British Empire. This was accompanied by the development of a culture that fused European philosophies with Indian tradition.

paragraph_text: The Aztec capital of Tenochtitlan became the Spanish capital Mexico City, which was and remains the most populous city in Mexico.

paragraph_text: The Indian capital city of Delhi has a long history, and has been an important political centre of India as the capital of several empires. Much of Delhi's ancient history finds no record and this may be regarded as a lost period of its history. Extensive coverage of Delhi's history begins with the onset of the Delhi Sultanate in the 12th century. Since then, Delhi has been the centre of a succession of mighty empires and powerful kingdoms, making Delhi one of the longest serving Capitals and one of the oldest inhabited cities in the world. It is considered to be a city built, destroyed and rebuilt several times, as outsiders who successfully invaded the Indian Subcontinent would ransack the existing capital city in Delhi, and those who came to conquer and stay would be so impressed by the city's strategic location as to make it their capital and rebuild it in their own way. The core of Delhi's tangible heritage is Hindu, Islamic (spanning over seven centuries of Islamic rule over the city) with expansive British - era architecture in Lutyens' Delhi dating to the British rule in India.

paragraph_text: The first historical reference to Warsaw dates back to the year 1313, at a time when Kraków served as the Polish capital city. Due to its central location between the Polish–Lithuanian Commonwealth's capitals of Kraków and Vilnius, Warsaw became the capital of the Commonwealth and of the Crown of the Kingdom of Poland when King Sigismund III Vasa moved his court from Kraków to Warsaw in 1596. After the Third Partition of Poland in 1795, Warsaw was incorporated into the Kingdom of Prussia. In 1806 during the Napoleonic Wars, the city became the official capital of the Grand Duchy of Warsaw, a puppet state of the First French Empire established by Napoleon Bonaparte. In accordance with the decisions of the Congress of Vienna, the Russian Empire annexed Warsaw in 1815 and it became part of the "Congress Kingdom". Only in 1918 did it regain independence from the foreign rule and emerge as a new capital of the independent Republic of Poland. The German invasion in 1939, the massacre of the Jewish population and deportations to concentration camps led to the uprising in the Warsaw ghetto in 1943 and to the major and devastating Warsaw Uprising between August and October 1944. Warsaw gained the title of the "Phoenix City" because it has survived many wars, conflicts and invasions throughout its long history. Most notably, the city required painstaking rebuilding after the extensive damage it suffered in World War II, which destroyed 85% of its buildings. On 9 November 1940, the city was awarded Poland's highest military decoration for heroism, the Virtuti Militari, during the Siege of Warsaw (1939).

paragraph_text: Dedinje (; ) is an urban neighborhood of Belgrade, the capital of Serbia. It is located in Belgrade's municipality of Savski Venac. Dedinje is generally considered the wealthiest part of Belgrade, and is the site of numerous villas and mansions owned by the members of the city's plutocracy, as well as many diplomatic residences.

paragraph_text: Tocuyito is a city of Venezuela, capital of the Libertador Municipality in Carabobo State. It is part of the metropolitan area of Valencia. This city is considered the entry point to Valencia from the motorways that lead to the Southwest (Barquisimeto) and South (towards Cojedes).

paragraph_text: Córdoba Department (, ) is a Department of the Republic of Colombia located to the north of this country in the Colombian Caribbean Region. Córdoba faces to the north with the Caribbean Sea, to the northeast with the Sucre Department, east with the Bolívar Department and south with the Antioquia Department. Its capital is the city of Montería.

paragraph_text: Nanjing, one of the nation's most important cities for over a thousand years, is recognized as one of the Four Great Ancient Capitals of China, and had been the world's largest city aggregately for hundreds of years, enjoyed peace and prosperity and beared wars and disasters. Nanjing served as the capital of Eastern Wu, one of the three major states in the Three Kingdoms period (211-280); the Eastern Jin and each of the Southern Dynasties (Liu Song, Southern Qi, Liang and Chen), which successively ruled southern China from 317-589; the Southern Tang, one of the Ten Kingdoms (937-76); the Ming dynasty when, for the first time, all of China was ruled from the city (1368-1421); and the Republic of China (1927–37, 1945–49) prior to its flight to Taiwan during the Chinese Civil War. The city also served as the seat of the rebel Taiping Heavenly Kingdom (1851–64) and the Japanese puppet regime of Wang Jingwei (1940–45) during the Second Sino-Japanese War, and suffered appalling atrocities in both conflicts, including the Nanjing Massacre. It has been serving as the capital city of Jiangsu province after the China was established, and is still the nominal capital of Republic of China that accommodates many of its important heritage sites, including the Presidential Palace and Sun Yat-sen Mausoleum. Nanjing is famous for human historical landscapes, mountains and waters such as Fuzimiao, Ming Palace, Chaotian Palace, Porcelain Tower, Drum Tower, Stone City, City Wall, Qinhuai River, Xuanwu Lake and Purple Mountain. Key cultural facilities include Nanjing Library, Nanjing Museum and Art Museum.

paragraph_text: Zarqa Governorate (Arabic "محافظة الزرقاء" "Muħāfazat az-Zarqāʔ", local dialects "ez-Zergā" or "ez-Zer'a") is the third largest governorate in Jordan by population. The capital of Zarqa governorate is Zarqa City, which is the largest city in the governorate. It is located east of the Jordanian capital Amman. The second largest city in the governorate is Russeifa.

paragraph_text: Archaeological discovery shows that "Nanjing Man" lived in more than 500 thousand years ago. Zun, a kind of wine vessel, was found to exist in Beiyinyangying culture of Nanjing in about 5000 years ago. In the late period of Shang dynasty, Taibo of Zhou came to Jiangnan and established Wu state, and the first stop is in Nanjing area according to some historians based on discoveries in Taowu and Hushu culture. According to legend,[which?] Fuchai, King of the State of Wu, founded a fort named Yecheng (冶城) in today's Nanjing area in 495 BC. Later in 473 BC, the State of Yue conquered Wu and constructed the fort of Yuecheng (越城) on the outskirts of the present-day Zhonghua Gate. In 333 BC, after eliminating the State of Yue, the State of Chu built Jinling Yi (金陵邑) in the western part of present-day Nanjing. It was renamed Moling (秣陵) during reign of Qin Shi Huang. Since then, the city experienced destruction and renewal many times.[citation needed] The area was successively part of Kuaiji, Zhang and Danyang prefectures in Qin and Han dynasty, and part of Yangzhou region which was established as the nation's 13 supervisory and administrative regions in the 5th year of Yuanfeng in Han dynasty (106 BC). Nanjing was later the capital city of Danyang Prefecture, and had been the capital city of Yangzhou for about 400 years from late Han to early Tang.

paragraph_text: Anzoátegui State (, ) is one of the 23 component states of Venezuela, located in the northeastern region of the country. Anzoátegui is well known for its beaches that attract many visitors. Its coast consists of a single beach approximately 100 km long. Its capital is the city of Barcelona, and significant cities include Puerto la Cruz and El Tigre.

paragraph_text: Kim Il-sung Stadium is the name of a large multi-purpose stadium located in Pyongyang, the capital city of the Democratic People's Republic of Korea.

paragraph_text: The city of Beijing has a long and rich history that dates back over 3,000 years. Prior to the unification of China by the First Emperor in 221 BC, Beijing had been for centuries the capital of the ancient states of Ji and Yan. During the first millennia of imperial rule, Beijing was a provincial city in northern China. Its stature grew in the 10th to the 13th centuries when the nomadic Khitan and forest - dwelling Jurchen peoples from beyond the Great Wall expanded southward and made the city a capital of their dynasties, the Liao and Jin. When Kublai Khan made Dadu the capital of the Mongol - led Yuan dynasty (1279 -- 1368), all of China was ruled from Beijing for the first time. From 1279 onward, with the exception of two interludes from 1368 to 1420 and 1928 to 1949, Beijing would remain as China's capital, serving as the seat of power for the Ming dynasty (1421 -- 1644), the Manchu - led Qing dynasty (1644 -- 1912), the early Republic of China (1912 -- 1928) and now the People's Republic of China (1949 -- present).

Question: How long had the city considered the nominal capitol of the Republic of China been the capitol city of Yaxing Coach's headquarters location?
Answer: about 400 years