How to say "When did this happen?" in Japanese (これはいつ起こったのですか?)

We have audio examples from both a male and female professional voice actor.

Male Voice

これはいつ起こったのですか?

When did this happen?

Furigana: これはいつおこったのですか?

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See also: Free Dictation Practice, Free Listening Comprehension Practice, Free Vocabulary Flashcards

Female Voice

これはいつ起こったのですか?

When did this happen?

Furigana: これはいつおこったのですか?

Practice saying this sentence

See also: Free Dictation Practice, Free Listening Comprehension Practice, Free Vocabulary Flashcards

How to say "When did this happen?" in Other Languages