Ceawlin's reign is thought to be more reliably documented than those of his predecessors, though the Chronicle's dates of 560 to 592 are different from the revised chronology.
Ceawlini valitsusaega peetaksegi palju usaldusväärsemalt dokumenteerituks, kui eelkäijate oma, kuigi kroonika daatumid vahemikus 560–592 erinevad korrigeeritud kronoloogiast.