- Electa Northup
- Peter William Willi
Birth - 18 October 1870 (3 year anniversary) - Stipps Hill (Buena Vista), Franklin, Indiana - Mary Richardson Bullock
- Arthur Ernst Knauerhase
- Elizabeth Shock
- Elizabeth Shock
Death - 18 October 1855 (18 year anniversary) - Lancaster- Peoria County, Illinois - Mary E. Bullock
- Maria Prehn
- Sarah Andrews
- Rebecca Gill
- Abraham Lincoln
- Karl Friedrich Kolbe
- Sarah Strange
- David Burt
- Frances Neville
- Anna Hansdatter Svane
- Richard Neville
- Baron Edward Neville
- Earl John Tiptoft
Death - 18 October 1470 (403 year anniversary) - Tower Hill, London, Middlesex, England - Baron Reynold De Grey
- Eleanor (Alianore) (Plantagenet) De HOLAND
- Marguerite D' Avesnes
- Margaret Deincourt
Death - before 18 October 1333 (540 year anniversary) - Of Willoughby, d'Eresby, Lincolnshire, England - George Cantilupe
- Randolph de Neville
- Petronilla Ramirez I Raíña de Aragon
- Leopold Iv, Margrave Of Austria
- Adelheid von Stade
- Hugh "The Great" Crepi
| - Francis Merrifield + Content Billington
- (unknown) (unknown) + Joanna Kennicutt
- William Brooks + Mary Burt
Marriage - 18 October 1654 (219 year anniversary) - Springfield, Hampden, Massachusetts - Baron Edward Neville + Elizabeth Beauchamp
- Richard, Prince Of England + Duchess Cecily De Neville
Marriage - before 18 October 1424 (449 year anniversary) - , , Yorkshire, England - John Avenel + Margaret De Badlesmere
- Michael de La Pole + Katherine Wingfield
- Eduard I "Longshanks" King of England + Eleanor (Leonor), Princess Of CASTILE and LEON
Marriage - 18 October 1254 (619 year anniversary) - , Burgos, Burgos, Spain - Borivoj Ii, Duke Bohemia + Gerberge Or Helbirg, Princess Of Austria
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