- Emilie Anna Schmaal
- Sophronia Johnsen
Birth - 20 April 1885 (27 year anniversary) - Brigham City, Box Elder, Utah - Johanna Heriette Hermine Mathilde Sellschopp
- Anna Emilie Knauerhase
Birth - 20 April 1864 (48 year anniversary) - Greenock, South Australia, Australia - Hermann Diestel
- William Anno
- Anna Prehn
- Nathan Hix
- Elnathan Wood
Death - 20 April 1752 (160 year anniversary) - Middleborough, , MA - Nathaniel Fuller
Death - 20 April 1750 (162 year anniversary) - Plympton, Massachusetts - Ephraim Carpenter
Death - 20 April 1743 (169 year anniversary) - Attleboro, Bristol, MA - Benjamin Carpenter
Death - 20 April 1738 (174 year anniversary) - Coventry, Tolland, CT - Hannah Gilbert
Death - before 20 April 1725 (187 year anniversary) - Stoughton, Suffolk, MA - Lydia Luther
Birth - 20 April 1723 (189 year anniversary) - , Swansea, Bristol, MA - Jerusha Fenno
- Søren Christensen Lemvig
Birth - 20 April 1709 (203 year anniversary) - København, Hovedstaden, Danmark - Søren Christensen Lemvig
Birth - 20 April 1709 (203 year anniversary) - København, Hovedstaden, Danmark - Jemina Fales
- Johann Wilhelm Brass
- Nathan Upham
- August Friedrich Eckermann
Birth - 20 April 1696 (216 year anniversary) - Neverstorf, Germany - Ammiel Weekes
Death - 20 April 1679 (233 year anniversary) - Dorchester, Suffolk, MA - Hannah Salisbury
Birth - 20 April 1671 (241 year anniversary) - Milton, Norfolk, Massachusetts - Joan Arches
- Elizabeth Mortimer
- Baroness Alianore (Eleanore) Le Strange
- Randolf de Dacre
- Robert de Ross
- Richard "Strongbow" Fitzgilbert Clare
Death - 20 April 1176 (736 year anniversary) - , Dublin, Leinster, Ireland
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