This occurrence took place very soon after I went to live with my old master, and under the following circumstances.

The most recent occurrence took place on 12-14th August 2011.

His penalties have been paid and no such occurrence will take place again.

"We do know that without them, the occurrence took place."

However, occasionally strange occurrences will take place that change our understanding of the black box.

It is not my fault that so unusual an occurrence has taken place tonight.

On October 1, 1971, a most unfortunate occurrence took place.

It was then that a singular occurrence took place in the lobby.

How she wished that those unspeakable occurrences had not taken place.

I had to ensure that such an occurrence would not take place.