Rubuta ci gaba ga wannan sakin layi - Amin shine babban mai shirya juyin juya halin Saur na Afrilu 1978
, wanda ya hambarar da gwamnatin Mohammad Daoud Khan kuma ya kafa wata ƙasa mai goyon bayan Soviet bisa ga manufofin gurguzu. Kasancewa na biyu a cikin Jamhuriyar Demokradiyya, Amin ba da daɗewa ba ya zama mai ƙarfi na mulkin, babban masanin shirye-shiryen jihar ciki har da tsanantawa ga waɗanda aka ɗauka a matsayin masu adawa da juyin juya hali. Wani gwagwarmayar gwagwarmaya tare da Babban Sakatare Taraki a ƙarshe ya jagoranci Amin ya yi gwagwarmayar iko sannan ya yi nasarar sauke shi kuma daga baya ya ba da umarnin a kashe shi; a ranar 16 ga Satumba, 1979, Amin ya nada kansa Shugaban Majalisar Ministoci (shugaban gwamnati), Shugaban Majalisar Juyin Juya Halin (shugaban kasa), da Babban Sakatare na Kwamitin Tsakiya na PDPA (shugaban shugaban kasa).