UK English: Is "dived" a valid word?

Wiktionary indicates that dived is the standard British English past tense of dive:

The past tense dove is found chiefly in North American English, where it is used alongside the regular (and earlier) dived, with regional variations; in British English dived is the standard past tense, dove existing only in some dialects. As a past participle, dove is relatively rare. (Compare Merriam-Webster Collegiate Dictionary; The American Heritage Dictionary; The Cambridge Guide to English Usage)