The Down-with-Imperialism Union (DIU; Korean: 타도제국주의동맹) was allegedly founded on 17 October 1926 in Hwatian County, Kirin, China, in order to fight against Japanese imperialism and to promote Marxism–Leninism.

[2][4][5][6] North Korean or sympathetic sources[7][8][9] claim that the organization was founded and led by Kim Il Sung, who would have been fourteen years old at the time.

[13][14][15] Additionally, commemorative stamps were released, a national meeting was held at the People's Palace of Culture attended by "senior party, state and army officials ... labour innovators and bereaved families of the revolutionary martyrs," a national art exhibition opened at the Korean Art Gallery, and members (and workers within) the General Federation of Trade Unions of Korea commemorated the occasion.

[16][17][18][19][20] A poster was even issued by Workers' Party of Korea to "mark the 90th anniversary of the formation of the Down-with-Imperialism Union (DIU).

"[21] According to the North Korean newspaper Rodong Sinmun, in 2016, many people such as the chairperson of People Unity-"Kyrgyz El" Republican Political Party in Kyrgyzstan, the secretary general of Bangladesh Jatiya Party, the chairperson of the Juche Idea Study Society in India, the chairperson for the Juche Philosophy Study Committee in India, high-ranking individuals in the Pakistan-Korea Friendship Association, the National Committee for the Study of the Juche Idea of the Democratic Republic of the Congo all praised the developments of the Workers' Party of Korea and celebrated the DIU's anniversary.