In the late 1940s, as tensions over a soon-to-be divided Korean Peninsula simmered, a protest on Jeju Island was ruthlessly suppressed, claiming as many as 30,000 lives.

Now a group of scholars and clergy from the island are endeavoring to raise awareness of the U.S. government and military’s role in the incident.

From March 24-29, the group visited Washington, D.C. to submit the Jeju 4.3 Incident Investigation Report. The “4.3 Incident” refers to a particularly bloody incident in 1948 between Jeju residents and authorities. On March 1, 1947, police fired on demonstrators commemorating the 28th year after the March 1st