- Karl Wilhelm "Karl" Kloeden
- Wilhelm Carl Krug
Birth - 28 May 1851 (12 year anniversary) - Hof/Bayern, Germany - Edward Duffield
Birth - 28 May 1759 (104 year anniversary) - Philadelphia, Philadelphia, PA - Jacobus von Carnap
- Christian Friedrich Mundt
- Sgt. Miles Morgan
Death - 28 May 1699 (164 year anniversary) - Springfield, MA - Stephen Duffield
Birth - 28 May 1696 (167 year anniversary) - Philadelphia, Pennsylvania - Alexander Mason
Death - 28 May 1644 (219 year anniversary) - Bolton, Lancashire, England - Robert Mason
Death - 28 May 1644 (219 year anniversary) - Bolton, Lancashire, England - Jarrette Ingraham
- Hans Jensen Svanning
- Johannes Ruckdeschel
- William Bourchier
Death - 28 May 1420 (443 year anniversary) - , Troyes, Aube, France - Affonso Iv Dinisez Portugal
Death - 28 May 1357 (506 year anniversary) - , Lisboa, Lisboa, PORTUGAL - John Le Strange
- Guy D' Avesnes
- William de Ros
- Graf Hermann von Eehnham
- Heinrich, Count Of Speyergau
- Heinrich von Speyer
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