- Adelicia Princess Of Brabant
Death - 23 April 1151 (15 year anniversary) - , Affligham, Flanders, France - Alexander I King Scotland
Death - 23 April 1124 (42 year anniversary) - , STIRLING, Stirlingshire, Scotland - Liudolf Count Of Brunswick
- Ethelred Ii "The Unready", King Of England
Death - 23 April 1016 (150 year anniversary) - , London, Middlesex, England - Sigurd Ii "Digri" Hlodversson
Death - 23 April 1014 (152 year anniversary) - Battle Of Clonta, , Dublin, Ireland - Herbert de Vermandois
- Graf Wichmann I "der Ältere" von Sachsen
- Æthelred I. von Wessex
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