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   Chronology of Effects

Solar and Geomagnetic Acitivity Year 1991 Year 1989 Year 1982 Year 1981 Year 1980 Year 1972 Year 1960 Year 1958 Year 1957 Year 1946 Year 1940 Year 1938 Year 1921 Year 1909 Year 1903 Year 1894 Year 1892 Year 1891 Year 1882 Year 1881 Year 1972 Year 1969 Year 1859 Year 1853 Year 1852 Year 1951 Year 1948 Year 1847
Last modified: 2006-05-3 Important notices