Srimad Bhagavatam - Summary and Study Guide - Fourth Canto

 [...] You have described [in the Fourth Canto] the first manvantara, which was presided over by Svāyambhuva Manu, the son of Lord Brahmā. (SB 6.1.3)

My dear lord, you have described the dynasties and characteristics of King Priyavrata (Canto 5: Chapter 1) and King Uttānapāda (Canto 4: Chapters 8-9).