| 793 | | Attack on the monastery Lindisfarne | |
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| 800 | | Historical time in Denmark | |
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| 880 | | Danelagen | |
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| 922 | | Ibn Fadhlan describes a Nordic sacrificial ceremony | |
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| 948 | | Mission Priests to Denmark | |
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| 970 | | King Harald conqueres Zealand and parts of Scania | |
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| 975 | | Trelleborg Fortresses | |
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| 980 | | Rune stones | |
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| 986 | | Harald Bluetooth visits Halör | |
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| 1070 | | Adam of Bremen´s report | |
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