- Niels Bernhard Nielsen
Birth - 18 July 1867 (9 year anniversary) - Flekkefjord, Vstgr, Norway - Ebenezer Crossman
Death - 18 July 1832 (44 year anniversary) - Taunton, , Mass. - Simon Bondi
- Edward Duffield
- Sebra Ingalls
- Frantz Mathiasen Thestrup
Death - 18 July 1766 (110 year anniversary) - Græshave Sogn, Lollands Sønder herred, Maribo Amt - Hannah Duffield
Birth - 18 July 1749 (127 year anniversary) - Philadelphia, Philadelphia, Pa. - Anna Elisabeth NN
- Ephraim Fenno
- Margaret Knight
Death - 18 July 1676 (200 year anniversary) - Braintree, , Norfolk, MA - Oluf Rasmussen Thestrup
Death - 18 July 1673 (203 year anniversary) - Dalby sogn, Bjerge herred, Odense Amt - Hans Hornemann
- Nechele Teomim
- Elizabeth Grey
Death - 18 July 1492 (384 year anniversary) - Of, Ruthyn, Denbighshire, Wales - William de Dacre
- Arnulf "der Heilige" von Metz
Death - 18 July 640 (1236 year anniversary) - Remiremont, Vosges, France
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