Their marriage certificate is considered proof of their new name.

Being found to have this mark was considered undeniable proof of being a witch.

"Abnormalities were considered proof of the journey to the beyond."

This was not considered "proof" of a source of ignition.

The videos are not considered proof he was still living because they appear to be several months old.

"Hillary had no such desire, which she considered 'psychological proof' of his innocence."

At the time, their proximity was considered proof that some dinosaurs were herd animals.

Success in the task was considered proof of his suitability as a good suitor for the young lady.

The decision to place Sudan on a list of states that harbor terrorists without what he considers adequate proof.

So I am curious as to what you would consider proof that this event actually took place?