The Peak of Eloquence · Hadith 2259 (#Passage #618)
Chapter 480 | Saying 480
وذلك في رجب سنة أربع مائة من الهجرة،
This book was completed in the month of Rajab, in the year 400 A.H.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).