Ka cika wannan jumlar: A shekara ta 1978, Dlouhý ya shiga Jam'iyyar Kwaminis. A cikin mako na uku na
An nada shi a matsayin daya daga cikin 'yan gurguzu 10 ga gwamnatin Jamhuriyar Socialist ta Czechoslovak kuma a ranar 10 ga Disamba 1989 an nada shi Mataimakin Firayim Minista na gwamnatin tarayya (Gwamnatin Yarjejeniyar Kasa) inda ya kuma yi aiki a matsayin Shugaban Hukumar Tsare-tsaren Jiha. A watan Disambar 1989, ya bar Jam'iyyar Kwaminis.