The year 3644 BBY was marked by the following occurrences.
- The incident known as the Krikthasi Massacre occurred. [7]
- On the planet of Ord Mantell, Archiban Kimble encountered the Twi'lek doctor named Prudy. They became engaged, but Kimble ended the engagement shortly before the wedding. [8]
- Andronikos Revel gained his freedom, being released from Imperial imprisonment.