21 August 1991 August 20, 2022 Author: Staff Coup attempt against Mikhail Gorbachev collapses. Famous Words of Inspiration..."The argument is at an end." Saint Augustine — Click here for more from Saint Augustine Related posts: 21 August 1991 21 August 1991 21 August 1991 21 August 1991 25 February 1991 29 September 1991 12 June 1987 24 August 1991 28 February 1991 21 May 1991 Categories: History Tags: 1991, 21 August