It is also significantly noted here (in SB 3.21.28) that Kardama Muni was a brahmana, whereas Emperor Svayambhuva was a ksatriya. Therefore, intercaste marriage was current even in those days: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.