a controversial politician who first strongly supported Jeongjo's accession and toiled to improve the king's power, but ended up being expelled because of his desire for power. Another helper was Kim Jong-su(김종수, 金鍾秀), in spite of being a member of Noron. In 1775, one year before King Yeongjo's death, King Jeongjo was appointed regent for him. However, King Yeongjo did not give him any military power. Reign Before Yeongjo died, he had his coronation in Gyeonghuigung on 10 March 1776. After his coronation, Jeongjo chose his spouse. The first thing that Jeongjo said to his officials was that he is the son of Jangjo who was executed by the former king. Jeongjo tried to empathize with his people. During his second year of reign, a great drought came. During the drought, Jeongjo was nervous just like the people and did a rainmaking ritual for his people. Just like his grandfather, Jeongjo used Tangpyeong method. He included that this method was great. By this, he tried to get rid of all the parties which caused his father's death. From the first day of the reign, Jeongjo spent much of his reign trying to clear his father's name. He also moved the court to the city of Suwon to be closer to his father's grave. He built Hwaseong Fortress to guard the tomb. It is now a UNESCO World Heritage Site. Jeongjo was always threatened by some of his officials who were against his reign. By help of Hong Guk-yeong and some others, he was able to overcome. During his accession, he also issued a royal decree that his mother, Lady Hyegyeong, be a Dowager Queen since his father, her husband, was supposed to be the King before him. Thus, she became the Queen Dowager, the widow of Crown Prince Sado. From then on, King Jeongjo experienced many turbulent periods, but overcame them with the aid of Hong Guk-yeong, Kim Chong-su. In 1776, Hong Sang-beom, Hong Kye-neung and other some member of Noron unsuccessfully attempted to stage a military coup d'état and assassinate him. Jeongjo fought the rebels who were secretly in royal palace and personally arrested his assassins. Jeongjo executed Hong Sang-beom, Hong Kye-neung, other some member of Norons, and put to death Prince Eunjeon, Hong In-han, and Chung Hu-kyom. Jeongjo tried to stop the wrong politics that concentrated the political power to single family by impeaching Hong Guk-yeong but it