In 1987, Mikhail Gorbachev called for the establishment of diplomatic relations with Brunei.In the Shadow of Giants, A. James Gregor, pg 160 Although the Soviet ambassador to Singapore attempted to establish said relations with Brunei in 1988, the Sultanate was unprepared to establish relations with the Communist state at the time. On 1 October 1991, Brunei established relations with the Soviet Union.Gorbachev and Southeast Asia By Leszek Buszynski, pg 211
