He proceeds to test them with a multimeter-and by a fateful error, sets the multimeter to measure resistance rather than electromotive potential ("voltage").

But there he made a fateful error.

George Kennan, the geostrategic giant, has called the decision "the most fateful error of American policy in the entire post-cold-war era."

Then one day Miss Deets made her fateful error.

The Canadiens' fateful error, most likely, was a nasty and obvious double penalty near the end of the second period by Chris Nilan.

Moreover, the Germans had made a further - and fateful - error: they had omitted to occupy the Channel ports, as they might easily have done, without loss, during their initial advance.

This fateful error caused the offensive in Glencorse Wood to be held up for several days with fierce fighting throughout this period.

He wrote that "expanding NATO would be the most fateful error of American policy in the entire post-cold war era."

I hope that they will not make the same fateful error that the King of Prussia committed in 1848.

"This was a fateful error."