 In the latter half of January 1964, the union tried to capture the Djakarta head office and factories of Unilever.On 18 January 1964 Serbuni seized control over the Angke factory in Djakarta.A statement issued by Serbuni claimed that the occupation was a reaction to "Konfrontasi", British imperialism, seizure of two Hajj ships and statements made by president Sukarno.