- Mary Tisdale
Death - 18 May 1731 (23 year anniversary) - Dighton, Bristol, Mass - Peder Gudmandsen
- Peter Blij
Death - before 18 May 1697 (57 year anniversary) - Herwen - Aaltje Heunigs
Death - after 18 May 1697 (57 year anniversary) - Herwen - Arndt Blij
- Margaretha Spranger
- Tamar Coles
- Mary Howe
Birth - 18 May 1668 (86 year anniversary) - Boston, , Mass. - John Leonard
- Hannah Salisbury
Birth - 18 May 1665 (89 year anniversary) - Milton, Norfolk, Massachusetts - Jacob Nonner
- Baron Henry De Percy
- Geoffrey De Cornwall
Death - 18 May 1365 (389 year anniversary) - Shropshire Co., England - Ida Isabel Bertram
- Guillaume de Lusignan Valence
- Thomas Of Moray
- William de Clare
Birth - 18 May 1228 (526 year anniversary) - , , Gloucestershire, England
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