The end of the Soviet Union dramatically changed international relations twenty years ago. What were the origins of the collapse of the USSR? What did 1991 look and feel like from the inside? What is the legacy of 1991 for the former USSR itself? In a panel discussion Sir Rodric Braithwaite, British Ambassador to Moscow from 1988 to 1992, Andrei Grachev, confidant and official spokesman for Mikhail Gorbachev, and Prof. Margot Light, LSE Professor Emeritus, will reflect on how history unfolded.