once in a lifetime

"We saw with Newcastle what seeing your team lift silverware can mean to supporters and sometimes it's a once in a lifetime type thing," he added.

"Doing it like this is something unexpected, unimaginable, and a once in a lifetime opportunity," Elizabeth told BBC Radio Sussex.

According to Mr Anderson, the Tour de France's visit will be a "once in a lifetime experience" and a fantastic opportunity to "inspire the younger generation".

King was the kind of leader who comes along once in a lifetime, one with unmatched eloquence and passion.

Cllr Kevin Bentley, the Conservative leader of Essex County Council, said it was a "once in a lifetime chance to improve outcomes for Essex".