Title: Beyond the Realm of Conscience
Content:  the decline of the Tang Empire, and he was the last strong ruler of the Tang Dynasty. ; In the television drama, Taoism appears as the initially as the religion and accepted philosophy of the imperial family and imperial government. However, after Li Yi comes to the throne, Buddhism and Buddhist philosophy is discussed by the characters in their dialogue, and Buddhist worship took the place of Taoist worship. Emperor Xuānzong revived Buddhist worship that was unsupported by the few Emperors before him. Buddhism flourished under the Tang Empire, and it was during this golden age in Chinese history that the 
Title: Tang dynasty
Content:   From the outset, religion played a role in Tang politics. In his bid for power, Li Yuan had attracted a following by claiming descent from the Taoism sage Lao Tzu ( 6th century BC). People bidding for office would request the prayers of Buddhist monks, with successful aspirants making donations in return. Before the persecution of Buddhism in the 9th century, Buddhism and Taoism were both accepted. Religion was central in the reign of Emperor Xuanzong (r. 712–756). The Emperor invited Taoist and Buddhist monks and clerics to his court, exalted the Taoist ancient Lao Tzu with grand titles, wrote commentary on the Lao Tzu scriptures, and set up a school to prepare candidates for Taoist examinations. In 726 he called upon the Indian monk Vajrabodhi (671–741) to perform 
Title: Tang dynasty
Content:  became the political center of the empire and served as the royal residence of the Tang emperors for more than 220 years.  The Tang capital was the largest city in the world at its time, the population of the city wards and its suburban countryside reaching two million inhabitants. The Tang capital was very cosmopolitan, with ethnicities of Persia, Central Asia, Japan, Korea, Vietnam, Tibet, India, and many other places living within. Naturally, with this plethora of different ethnicities living in Chang'an, there were also many different practiced religions, such as Buddhism, Nestorian Christianity, and Zoroastrianism, among others. With the open access to China that the Silk Road 
Title: Tang dynasty
Content:  Buddhism, originating in India around the time of Confucius, continued its influence during the Tang period and was accepted by some members of imperial family, becoming thoroughly sinicized and a permanent part of Chinese traditional culture. In an age before Neo-Confucianism and figures such as Zhu Xi (1130–1200), Buddhism had begun to flourish in China during the Northern and Southern dynasties, and became the dominant ideology during the prosperous Tang. Buddhist monasteries played an integral role in Chinese society, offering lodging for travelers in remote areas, schools for children throughout the country, and a place for urban literati to stage social events and 
Title: Tang dynasty
Content:  The Tang dynasty, or Tang Empire, was an imperial dynasty of China that ruled from 618 to 907, with an interregnum between 690 and 705. It was preceded by the Sui dynasty and followed by the Five Dynasties and Ten Kingdoms period. Historians generally regard the Tang as a high point in Chinese civilization, and a golden age of cosmopolitan culture. Tang territory, acquired through the military campaigns of its early rulers, rivaled that of the Han dynasty. The Lǐ family founded the dynasty, seizing power during the decline and collapse of the Sui Empire and inaugurating a period of progress and stability in the first half of the dynasty's rule. The dynasty was formally interrupted during 690–705 when Empress 
Title: Tang dynasty
Content:  Both the Sui and Tang Dynasties had turned away from the more feudal culture of the preceding Northern Dynasties, in favor of staunch civil Confucianism. The governmental system was supported by a large class of Confucian intellectuals selected through either civil service examinations or recommendations. In the Tang period, Taoism and Buddhism were commonly practiced ideologies that played a large role in people's daily lives. The Tang Chinese enjoyed feasting, drinking, holidays, sports, and all sorts of entertainment, while Chinese literature blossomed and was more widely accessible with new printing methods.
Title: History of Asia
Content:   Fortunately, one of Yang's most respectable advisors, Li Yuan, was able to claim the throne quickly, preventing a chaotic collapse. He proclaimed himself Emperor Gaozu, and established the Tang dynasty in 623. The Tang saw expansion of China through conquest to Tibet in the west, Vietnam in the south, and Manchuria in the north. Tang emperors also improved the education of scholars in the Chinese bureaucracy. A Ministry of Rites was established and the examination system was improved to better qualify scholars for their jobs. In addition, Buddhism became popular in China with two different strains between the peasantry and the elite, the Pure Land and Zen strains, respectively. Greatly supporting the spread of Buddhism was Empress Wu, who additionally claimed an unofficial "Zhou dynasty" and displayed China's tolerance of a woman ruler, which was rare at the time. However, Buddhism would also experience some backlash, 
Title: History of China
Content:  The Tang dynasty was a golden age of Chinese civilization, a prosperous, stable, and creative period with significant developments in culture, art, literature, particularly poetry, and technology. Buddhism became the predominant religion for the common people. Chang'an (modern Xi'an), the national capital, was the largest city in the world during its time. The first emperor, Emperor Gaozu, came to the throne on 18 June 618, placed there by his son, Li Shimin, who became the second emperor, Taizong, one of the greatest emperors in Chinese history. Combined military conquests and diplomatic maneuvers reduced threats from Central Asian tribes, extended the border, and brought neighboring states into a tributary system. Military 
Title: Church of the East
Content:  Emperor Wuzong of Tang (reigned 840–846). He suppressed all foreign religions, including Buddhism and Christianity, causing the church to decline sharply in China. A Syrian monk visiting China a few decades later described many churches in ruin. The church disappeared from China in the early 10th century, coinciding with the collapse of the Tang dynasty and the tumult of the next years (the Five Dynasties and Ten Kingdoms period). Christianity in China experienced a significant revival during the Mongol-created Yuan dynasty, established after the Mongols had conquered China in the 13th century. Marco Polo in the 13th century and other medieval Western writers described many Nestorian communities remaining in China and Mongolia; however, they clearly were not as vibrant as they had been during Tang times.
Title: Tang dynasty
Content:  the East in China, was given recognition by the Tang court. In 781, the Nestorian Stele was created in order to honor the achievements of their community in China. A Christian monastery was established in Shaanxi province where the Daqin Pagoda still stands, and inside the pagoda there is Christian-themed artwork. Although the religion largely died out after the Tang, it was revived in China following the Mongol invasions of the 13th century. Although the Sogdians had been responsible for transmitting Buddhism to China from India during the 2nd to 4th centuries, soon afterwards they largely converted to Zoroastrianism due to their 

Question: What is the religion of Tang Empire?
Answer: Buddhism.
Buddha Dharma.