In March 1929, some radical members of the Vietnam Revolutionary Youth League (VARY) () including Trần Văn Cung, Nguyễn Đức Cảnh, Trịnh Đình Cửu, Đỗ Ngọc Du, Dương Hạc Đính, Ngô Gia Tự, Kim Tôn formed the first communist cell in French Indochina. This communist cell's mission as itself claimed is to be the core of a future communist party. Trần Văn Cung was voted to be the secretary of the cell.
In March 1929, some radical members of the Vietnam Revolutionary Youth League (VARY) () including Trần Văn Cung, Nguyễn Đức Cảnh, Trịnh Đình Cửu, Đỗ Ngọc Du, Dương Hạc Đính, Ngô Gia Tự, Kim Tôn established the first communist cell in French Indochina. This communist cell's mission as itself claimed was to be the nucleus of a future communist party. Trần Văn Cung was elected as the secretary of the cell.