HY MCQ 2 (1953-89)

Soviet Union

Mar 1953 - Oct 1964
June 1953
Jan 1954
Feb 1955
Feb 1956
May 1, 1960
Apr 17, 1961 - Apr 19, 1961
Oct 1962
Oct 1964 - Nov 1982
Nov 1964
1967 - 1982
oct 1975
Dec 24, 1979
Nov 1982 - Feb 1984
Feb 1984 - Mar 1985
Mar 1985 - Aug 1991
April 1986
Dec 1987
Feb 1989
Mar 1989
Oct 1989
Apr 1991
June 1991
Dec 1991

USA

Jan 1981 - Jan 1989
Mar 23, 1983
Jan 1989

BRD

Sept 1949
1963
June 26, 1963
1966 - 1969
Jan 1967
Oct 1969
Oct 1969 - May 1974
Mar 1970
Aug 12, 1970
Dec 7, 1970
Sep 3, 1971
Nov 19, 1972
May 1974

DDR

Oct 1949
Dec 1949
Feb 1950
Feb 3, 1950
July 1950 - May 1971
Sept 1950
Jan 1951
May 1951
Dec 1952
1953
Mar 1953
1955
Aug 1961
May 1971 - Oct 1989

Hungary

1945 - July 1956
June 1953
Jan 1955
Apr 1955
June 27, 1956
July 1956
Oct 5, 1956
Oct 22, 1956
Oct 24, 1956
Oct 27, 1956
Oct 29, 1956
Nov 1, 1956
July 6, 1989
Oct 23, 1989

Poland

Oct 1956 - Dec 1970
October 1956
July 1959
Apr 1960
1962
1965
1967 - 1968
Mar 1968
1970 - 1980
1970 - 1975
Aug 14, 1970
Dec 1970 - Sept 1980
Dec 1970
Dec 20, 1970
1972
1973
June 1976
June 24, 1976
Sept 1977
Jan 1978
May 1, 1978
Oct 16, 1978
Feb 1980
July 12, 1980
Aug 1980
Aug 16, 1980
Aug 17, 1980
Aug 22, 1980
Aug 23, 1980
Aug 30, 1980
Aug 31, 1980
Sept 1980 - Oct 1981
Sept 3, 1980
Feb 10, 1981
July 14, 1981 - July 18, 1981
Sept 5, 1981 - Sept 10, 1981
Oct 18, 1981
Dec 12, 1981
Dec 13, 1981 - July 22, 1983
1982 - 1987
Nov 1982
1983
June 8, 1987 - June 14, 1987
Nov 29, 1987
Aug 26, 1988
July 1989 - Dec 1990

Czechoslovakia

June 1948 - Mar 1953
Mar 1953
Nov 1957 - Mar 1968
1966
June 5, 1967 - June 10, 1967
Oct 1967
Jan 1968 - Apr 1969
Jan 5, 1968
Feb 1, 1968
Mar 1968 - May 1975
Apr 5, 1968
May 1968
May 4, 1968
June 1968
June 20, 1968
Aug 9, 1968
Aug 12, 1968
Aug 21, 1968
Aug 27, 1968
Oct 28, 1968
Jan 16, 1969
Apr 1969
Apr 1969 - Dec 1989
Jan 1970
Jan 1990