| Year | Day/Month | Title |
| Aethelstan (924 - 939) |
|
927 | |  Athelstan defeats the Vikings
|
| | When Sihtric died he left an heir Olaf. The king of the Norse in Dublin arrived to assist Olaf but Athelstan was ready for any trouble that they could do and defeated them. York was seized and its fortifications destroyed. |
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934 | | Athelstan invades Scotland
|
| | Athelstan put together a large army and invaded Scotland destroying it as he advanced north. |
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937 | | Danish invasion
|
| | The Dane Anlaff (possibly Sihtric's son), Owen of Cumberland and Constantine, King of the Scots sailed into the Humber to invade Nothumbria. Athelstan's speed at raising his army that marched north put paid to any plans of invasion and a fierce battle occurred (Brunanburgh near Beverley ?) in which many Danish kings and earls were killed. |
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