This was an unprecedented feat that has still not been equaled to this date.

"I want my own club - 400-400," he said, referring to 400 career home runs and 400 stolen bases, an unprecedented feat.

It is almost certain that this unprecedented feat will never again be equalled.

It was the movie's almost unprecedented feat of making even more money the second weekend.

Last year, in another unprecedented feat, she swam 1.2 miles in the frigid waters off of Antarctica.

Hitting 73 home runs last season, of course, helped him achieve that unprecedented feat.

Florida State accomplished this unprecedented feat in 1999.

This completed the unprecedented feat of a single nation taking the top four positions at the championship event.

The song closed out the entire alternative rock panel in one week, an unprecedented feat.

Earlier this month, he won his fourth consecutive national collegiate singles squash championship, an unprecedented feat.