Rubuta ci gaba don wannan sakin layi - Tsarin shugabancin Ronald Reagan ya fara ne lokacin da Ronald Reagan ya lashe zaben shugaban kasa na 1980 na Amurka, ya zama zababben shugaban kasa, kuma ya ƙare lokacin da aka rantsar da Reagan
da tsakar rana EST a Janairu 20, 1981.