The Leubantian Communist Party was a political party in Leubantia. It was formed on 1 November 1918, 4 days after the defeat of Leubantia in the First World War. It was the ruling party of the brief Leubantian Soviet Republic (3 - 17 May 1919). The Party gained control again on 28 April 1945, four days after Leubantia's defeat by the Soviet Union in the Second World War. At the same moment that the party regained control on 28 April 1945, the People's Republic of Leubantia was formed. In 1989, the party lost control and, in the same year, the party was banned.