In his lecture, Greer said that he had spoken with the Crown Prince of Lichtenstein, Hans-Adam, who had revealed to him the startling extraterrestrial disclosure plan being negotiated in 1989 at the United Nations. Prince Hans-Adam was participating in the high level negotiations involving Presidents Ronald Reagan and George H.W. Bush, Mikhail Gorbachev (Secretary General of the USSR), along with other world leaders who were meeting with Perez de Cuellar, as the Cold War was coming to an end.
Greer said that the disclosure plan was aborted at the 11th hour, after Perez de Cuellar was involved in an abduction event where he was forcibly taken to a spacecraft and threatened by extraterrestrials. Greer explained what Prince Hans-Adam had told him:
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