Has South Korea’s application for the Bagua Diagram been successful?

No. According to the query on the official website of the United Nations, South Korea applied for the Zhouyi and Feng Shui Bagua Diagram to the United Nations in 2009. As of May 30, 2023, South Korea's application for the Bagua Diagram has not been successful. Bagua diagram refers to the graphics created using the eight hexagrams of "Qian, Kun, Zhen, Xun, Kan, Gen, Li, Dui" and the Tai Chi diagram. It was first created by Fuxi based on the two star charts and calendar "Hetu Luoshu" created by Suiren.