"People of Florida have met historic challenges with extraordinary strength and generosity," he added.

The other option is to take this moment as a great historic challenge for our generation.

It would also be a historic challenge that spanned generations much like the battles against Communism.

"The United States has a deep self-interest in responding to this historic challenge."

Last year, Americans faced historic challenges that included a housing market crisis, an economic downturn, and soaring energy prices.

The reform of the Polish economy presents an historic challenge.

Some members of my group will vote against the Brok report because they do not think we are up to this historic challenge.

I see your Presidency as an historic challenge.

It represents both a historic challenge and an opportunity for all concerned.

What a historic challenge for all of us!