The Berlin Crisis, 1958-1961 By jensmogensen 1955 FRG joins NATO Nov 10, 1958 Khruschchev's Peace Treaty Proposal Nov 27, 1958 Khruschev's Ultimatum Feb 1, 1959 Western refusal of the ultimatum Mar 1, 1959 Khruschev withdraws ultimatum Period: May 1, 1959 to Aug 1, 1959 Geneva Conference Sep 1, 1959 Khruschchev visits Camp David May 1, 1960 U2 Spy Plane Incident Jan 20, 1961 JFK new President Jul 25, 1961 JFK Television Speech Aug 13, 1961 Berlin Border is closed
