Sentence examples for why it happened from inspiring English sources

Why it happened.

Why it happened, when".

I understand why it happened".

And why it happened, too.

I wish I knew why it happened".

But why it happened is another matter.

I don't know why it happened.

"I never really understood why it happened".

"I don't understand why it happened.

"We need to know why it happened".

You want to know why it happened…what was the actual cause?