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Centuries: 9th century - 10th century - 11th century Decades: 930s 940s 950s 960s 970s - 980s - 990s 1000s 1010s 1020s 1030s Years: 983 984 985 986 987 - 988 - 989 990 991 992 993 Events Tsar Vladimir I of Russia declares Christianity, in the form of the Eastern Orthodox Church the official religion of Russia, thus creating the Russian Orthodox Church. Births Adhemar de Chabannes Deaths
Centuries: 9th century - 10th century - 11th century
Decades: 930s 940s 950s 960s 970s - 980s - 990s 1000s 1010s 1020s 1030s
Years: 983 984 985 986 987 - 988 - 989 990 991 992 993
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Deaths