At half past eleven in the morning of October 18, 1951, some of the members of the Democratic Front for Unification of Koreans in Japan and the Homeland Defense Corps (which is a Korean resident organization in Japan) gathered in Sakuragawa-mura village (present Higashiomi City), Gamo-gun, Shiga Prefecture and tried to stage a demonstration by bicycles attached with a speaker.
1951年10月18日午前11時30分、滋賀県蒲生郡桜川村（現・東近江市）に、在日朝鮮統一民主戦線や祖国防衛隊(在日朝鮮人団体)のメンバーが集結し、自転車にスピーカーを取り付けて自転車デモを行おうとした。