Through unknown events, Harmon ended up in the foster care system.

Meanwhile unknown to him events were taking a turn at Oxford that would give him a new career.

Thus, Harry's paradox, in which they are alive yet no one has learned about the "unknown event," is resolved.

It has said that without examining the door "the possibility of some unknown event cannot be ruled out."

An unknown event caused the mirror to have a flawed reflection.

A race that created humans, and then vanished following a series of unknown events.

They were probably formed one thousand years ago from an unknown violent event.

Now the tour was being cut short by unknown events half a world away.

Though the unknown events seemed to have had an entirely positive effect on her, she was frightened now.

However, your plans should be flexible as well so that you can deal with any unknown event that occurs.