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Diplomatic documents · 1989–1990

Chronicle

A selection of telegrams, memos, minutes and letters from embassies and foreign ministries in eleven countries, set against the events from autumn 1989 to German unity.

Brandenburger Tor, 30 Jahre Mauerfall (2019): New York-air, CC BY-SA 4.0

  1. September 1989

  2. Hungary opens its border to Austria for GDR citizens

  3. Monday demonstration in Leipzig

  4. Honecker is replaced by Egon Krenz as SED General Secretary

  5. November 1989

  6. The Berlin Wall opens

  7. Kohl presents his Ten-Point Plan

  8. PolandTelegramdodis.ch/53171

    Telegram from the Polish Ambassador in Cologne, Ryszard Karski, to the Polish Deputy Minister of Foreign Affairs, Bolesław Kulski

    The ten-point plan for German reunification is assessed and the lack of any information about the inviolability of the Polish-German border is criticised.

    Ryszard Karski, Poland · Embassy in CologneBolesław Kulski, Poland · Ministry of Foreign Affairs

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  9. The Brandenburg Gate reopens

  10. February 1990

  11. Ottawa: agreement on the Two-plus-Four talks

  12. First free elections to the GDR People’s Chamber

  13. May 1990

  14. First Two-plus-Four ministerial meeting in Bonn

  15. PolandMemododis.ch/53173

    Memo by the Polish Military Mission in West Berlin

    Observations on the impact of German reunification on Polish-German relations. The need to develop pan-European cooperation based on the CSCE process with the participation of Canada and the United States.

    Poland · Military mission in West Berlin–

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  16. Monetary, economic and social union enters into force

  17. Arkhyz, Caucasus: Kohl and Gorbachev agree on a united Germany in NATO

  18. Unification Treaty signed

  19. Two-plus-Four Treaty signed in Moscow

  20. German reunification

  21. German–Polish Border Treaty signed