CURRENT YEARS RECENT DECADES COLD WAR OLDEN DAYS 1991 1990 1987 1986 1985 1984 1983 1982 1981 1980 1979 1977 1976 1975 1974 1973 1971 1970 1969 1967 1965 1963 1961 1960 1959 1958 1956 1955 1954 1953 1952 1951 1950 1949 1948 1947 1939 1938 1936 1934 1932 1931 1930 1929 1928 1927 1926 1925 1924