1964 6 November: Richard Sorge is posthumously made a Hero of
the Soviet Union.
1967 31 August: Tamara Bunke is killed in Bolivia while accompa-
nying Che Guevara. 15 December: The MfS Wachregiment is
named after Felix Dzerzhinsky, founder of the Soviet Cheka.
1968 West German entrepreneur Hannsheinz Porst is unmasked
as an East German agent. 1 May: Gerhard Wessel replaces
Gehlen as head of the BND. 21–28 August: The Prague
Spring reform movement is suppressed by troops of the War-
saw Pact.
1969 28 September: Willy Brandt forms a new government
pledged to improve relations with the GDR.
1971 3 May: Erich Honecker succeeds Ulbricht as the leader of
the GDR. July: The Sektor für Wissenschaft und Technik
becomes a separate unit in the MfS.
1972 1–15 June: West German police arrest the core of the Baader-
Meinhof/Red Army Faction terrorist organization. December:
Intelligence ties are formed between the HVA and the Pales-
tinian Liberation Organization.
1973 18 September: The FRG and the GDR gain membership in
the United Nations.
1 974 24 April: Günter Guillaume is arrested as an East German
operative. 3 May: The GDR Defense Council confirms the
use of weapons against border violators.
1975 1 5 September: Günter Nollau of the BfV is pressured to re-
tire.
1976 2 June: Lothar and Renate Lutze of the FRG Defense Minis-
try are arrested. 16 November: Singer-songwriter Wolf Bier-
mann is expatriated by the GDR and sparks a major debate in
the MfS.
1977 7 April: The murder of the FRG’s chief federal prosecutor in
Karlsruhe marks the beginning of a series of terrorist crimes
known as the “German autumn.”
1979 18 January: Werner Stiller of the HVA defects to the FRG.
1981 26 June: Werner Teske of the HVA is secretly executed for
planning an escape to the West. 13 December: Martial law is
declared in Poland.
CHRONOLOGY • xxi