I'll close by saying this: This oil spill is an unprecedented disaster.

WHITEHOUSE: Deepwater BP Oil Spill: Presidential Press Conference

Now, I think the American people are now aware, certainly the folks down in the Gulf are aware, that we're dealing with a massive and potentially unprecedented environmental disaster.

WHITEHOUSE: President Obama Speaks on NYC Incident and BP Oil Spill in Louisiana | The White House

There were a lot of people that said, 'Oh, you're taking too long, '" the mayor said, but he called the results "a remarkable achievement, one that we expect will become a textbook case of innovation, resourceful and effective response to an unprecedented natural disaster.

WSJ: NYC post-Sandy home repair program passes 20K mark

Her most recent in-depth interview was with Joint Chiefs of Staff, General Martin Dempsey about the rise of ISIS and Admiral Thad Allen, National Incident Commander for the Deepwater Horizon spill in the Gulf of Mexico, gaining unprecedented access to the disaster site.

CNN: CNN Profiles - Kyra Phillips - Correspondent

Mr Abe said the process of dismantling the plant, which was decommissioned after the disaster, was an "unprecedented challenge".

BBC: Japan PM Abe praises Fukushima nuclear work during visit

Following this disaster, the industrialized world pledged an unprecedented amount of money to help.

FORBES: Getting Beyond 'Stingy'

But on paper Ben Bernanke, cheap debt, and a rising stock market have rescued private equity from suffering a complete disaster from the buyout boom of 2005 to 2008, when private equity firms raised and invested unprecedented sums of cash.

FORBES: The Great Private Equity Comeback Is Complete--At Least On Paper