Sui Yangdi, whose name was Yang Guang, was an important figure in Chinese history. Although he received some controversies and criticisms during his reign, he also made some noteworthy achievements. This article will focus on Sui Yangdi's three major accomplishments, elaborated from three aspects: political reform, cultural prosperity, and architectural engineering.

Firstly, Sui Yangdi's political reform was a significant accomplishment. During his reign, he implemented a series of political reforms, including the establishment of the three provinces and six ministries system, which was the first complete centralized government system in Chinese history and had a profound impact on later generations. In addition, he also implemented the imperial examination system, making talent selection more fair and just, which had a far-reaching impact on the education system of later generations.

Secondly, Sui Yangdi also made significant contributions to cultural prosperity. During his reign, he vigorously promoted the development of culture and art and organized grand cultural activities, such as the "Daye Banquet". These activities not only enriched the people's spiritual life but also promoted the development of culture and art. At the same time, he also attached great importance to the collation and preservation of historical documents, ordering the compilation of the "Sui Shu" and "Bei Shi", leaving valuable historical materials for later generations.

Finally, Sui Yangdi's achievements in architectural engineering are also noteworthy. During his reign, he presided over the construction of the Grand Canal, which was the earliest canal system in the world and had a profound impact on China's economic development. In addition, he also presided over the construction of Luoyang City and Daxing City. The planning and construction of these two cities reflected his superb architectural art and profound cultural heritage.

Overall, Sui Yangdi's three major accomplishments - innovative political reform, brilliant cultural prosperity, and grand architectural engineering - are all significant contributions of him as an emperor. Although some of his actions caused controversy, his achievements are undeniable.

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