This fortuitous circumstances added more the bliss of the Major than a thousand such exhibitions would have done.

He managed to survive thanks to a series of fortuitous circumstances and his relatively young age (26 years).

A fortuitous circumstance, no doubt, but a most fortunate one.

This fortuitous circumstance had, moreover, another effect, in that it greatly raised the critical knowledge of pictures.

Here was a fortuitous circumstance which he could not have foreseen.

"We had the wonderfully fortuitous circumstances of the Prado opening up to the international art world."

There is the fact that her therapy was interrupted by fortuitous circumstances.

However, we must go on, hoping for some fortuitous circumstance that would solve our difficulty.

Would I take advantage of the fortuitous circumstances that had led to my premature release?

If we have plenty of effective options, why, that would be a very fortuitous circumstance.