Reagan was president from Jan. 29, 1981 until Jan. 20, 1989.
20 January 1981 to 20 January 1989
The 40th President of the United States was Ronald Reagan from January 20, 1981 to January 20, 1989
The 40th President of the United States was Ronald Reagan from January 20, 1981 to January 20, 1989
