Civil society groups in South Korea display South Korean flags in Dokdo to mark Dokdo Day [News Channel Now] Civil society groups in South Korea display the South Korean flag in Dokdo to mark Dokdo Day. This dokdo, a professor at Songshin Women's University, posted a dokdo promotional clip on social platforms. He saw 70 South Korean citizens hoisting a giant 30m x 20m South Korean flag at Dokdo Pier. The clip also showed pictures of Dokdo from different angles and recommended foreigners to go to Dokdo. Dokdo is located between South Korea and Japan and is controlled by the South Korean government. Non-governmental organizations have designated October 25 as Dokdo Day since 2010. However, Japan also claims sovereignty over the island and calls it Takashima. In 2005, she established February 22 as Takashima Day.