Being recognized as a world heritage has great meaning and symbolism, because the registered heritages are a part of a legacy that must be protected by everyone.

Due to the importance of recognizing historical events as collective memory, the Korean and local goverment in Jeju are trying to get the Jeju 4.3 Investigation Report and the legacy of the Jeju language to be recognized as a world heritage. Since January 18th of 2023, the first step to register the documents that prove about the Jeju Incident was started. The Jeju Province announced that it plans to submit 30,620 records related to the April 3rd incident to the Cultural Heritage Administration's 2024 World Memory International List of Documents Competition.

On March 3rd, the government and the 4.3 Peace Foundation submitted the 4.3 Application for UNESCO World Heritage Listing of Archives. The future analysis subjects include reports from the U.S. military government and testimony from victims and bereaved families, a 4.3 damage report and reconciliation win-win records, along with 30,303 different cases. Anyone can participate in the online support campaign on the 4.3 comprehensive information system

Along with the registration of Jeju 4.3 records as a UNESCO World Heritage, the registration of Jeju language as a UNESCO Intangible Cultural Heritage will be promoted. The Jeju Province announced on February 21st that it established the 4th Jeju Language Development Basic Plan to preserve and foster the Jeju language from this year to 2027. It calls for establishing a financial, and educational system to preserve the Jeju language and regularly investigating the environment of the Jeju language.