On November 24, 2018, KMT Han Kuo-yu won 890,000 votes and was elected Kaohsiung Mayor in Taiwan’s Kaohsiung City Election. But he announced his participation in the Republic of China January 11, 2020 presidential election in Kaohsiung less than half a year after taking office The citizens were angry at this. Han Kuo-yu lost the presidential election on January 11, 2020. In addition, angry Kaohsiung citizens also decided to launch an action to remove Han Kuo-yu. The referendum vote on June 6, 2020 was passed by Han Kuo-yu. Han Kuo-yu became the first mayor in Taiwan's history to be dismissed.