April 18 in History
2007
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1996
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1992
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1988
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1983
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1981
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1980
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1974
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1961
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1958
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1955
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1954
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1949
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1945
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1943
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1942
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1930
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1924
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1923
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1915
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1912
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1909
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1906
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1902
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1899
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1881
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1880
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1857
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1848
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1831
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1797
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1783
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1775
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1738
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1518
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1506
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1025
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