| Date | Event |
|---|---|
| 1638 | Hans Brachrogge Died |
| 1638 | Settimia Caccini Died |
| 1638 | Ignazio Donati Died |
| 1638 | Nicolas Formé Died |
| 1638 | Diogo Dias Melgás Was Born |
| 1638 | René Mesangeau Died |
| 1638 | Alessandro Piccinini Died |
| 1638 | Francis Pilkington Died |
| 1638 | Bartolomé de Selma y Salaverde Died |
| 1638 | Vincenzo Ugolini Died |
| 1638 | Giovanni Buonaventura Viviani Was Born |
| 1638 | John Ward Died |
| 1638 | John Wilbye Died |
| 1638 | Giovanni Pietro Berti Died |
| February 28 1638 | Covenant Signed In Edinburgh |
| March 22 1638 | Dissenter Hutchinson Expelled From Massachusetts Bay Colony |
| March 29 1638 | Swedish Colonist Establish New Sweden Settlement |
| April 15 1638 | Tokugawa Retakes Hara Castle From Rebels |