On 09th August 1965 , Singapore was separated from Malaysia . After
separation , UMNO Singapore had to adjust to the changed political
circumstances of an Independent , multi - racial Singapore and had to
sever its connections with UMNO Malaysia . On 05th May 1967 , UMNO
Singapore assumed a new name - : PERTUBUHAN KEBANGSAAN MELAYU SINGAPURA (
PKMS ) or SINGAPORE MALAY NATIONAL ORGANISATION ( SMNO ) .