- Sophie Amalie Hoff
Birth - 12 May 1798 (1 year anniversary) - Potsdam, Germany - John L. Dufield
Birth - 12 May 1796 (3 year anniversary) - Lexington, Bourbon, Kentucky - Dorothea Elisabeth Trettin
Birth - 12 May 1788 (11 year anniversary) - Wendischhof near Schwerin, Germany - Hezekiah Bowen
- Thomas Crossman
- Matthias Ebel
- Mordecai Lincoln
Death - 12 May 1736 (63 year anniversary) - Amity, Berks, PA - Anna Wight
- Mary Warren
Death - 12 May 1734 (65 year anniversary) - Watertown, Middlesex Co, MA - Elisabeth Dorothea Eckermann
Death - 12 May 1711 (88 year anniversary) - Prieschendorf, Germany - John Fenno
- Johann Adolph Eckermann
Birth - 12 May 1698 (101 year anniversary) - Neverstorf, Holstein, Germany - Johann Saling
- Nathaniel Carpenter
Birth - 12 May 1667 (132 year anniversary) - Rehobeth, Bristol, MA - Ägidius Knoll
- Johann Bauer
- Mary Lincoln
Birth - 12 May 1652 (147 year anniversary) - Taunton, Bristol Co, MA - Stephen Merrick
Birth - 12 May 1646 (153 year anniversary) - Eastham, Barnstable, MA - William Salisbury
Birth - 12 May 1622 (177 year anniversary) - , Denbighshire, Wales - Nicholas Wymbish
- Alice Berkeley
- Baroness Margaret De Neville
- Hubert Burgh
Death - 12 May 1243 (556 year anniversary) - , Banstead, Surry, England - Tereza Affonsez Princess Portugal
- Ade, Princess Of the Franks
- Adelaide, Princess Of The Franks
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