The third One K Concert on March 1, 2019 was a part of the March 1 Movement 100-year Commemoration where more than 20 One K Stars performed at the National Assembly Plaza in Seoul to look back on the significance of the March 1 Movement for Korean independence and envision a future of reunification and peace.

The One Korea Global Campaign is creating a platform with popular culture to connect millions around the world to take action for Korean reunification and global peace. Top K-pop and international artists, One K stars, have donated their time and talent to the One K Concerts. Major broadcast companies like KBS and SBS have partnered to reach the global K-pop fanbase.