- Robert Iii (John Scotland
Death - 4 April 1406 (4 year anniversary) - Rothsay Castle, Dundonald, Ayrshire, Scotland - Margaret Chaundos
- Maud Plantagenet
Birth - 4 April 1339 (71 year anniversary) - Of, Kidwelly, Carmarthenshire, Wales - Robert de Brus
Death - before 4 April 1304 (106 year anniversary) - , , , Palestine - Joan Fitzjohn
- King Alfonso X De Castilla y León
Death - 4 April 1284 (126 year anniversary) - , Sevilla, Sevilla, Spain - Maurice "The Resolute" Berkeley
- Robert de Toeni
- Alfonso II Raimundez Rei de Aragon y Pamplon
Birth - 4 April 1152 (258 year anniversary) - Villa Mayor De Valle, ARAGON, Spain - Gerhard Iii (IV), Duke Of Upper Lorraine
Death - 4 April 1070 (340 year anniversary) - , Remiremont, Vosges, France
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