The U.S. Army Corps of Engineers pumped the last of the floodwaters out of the city on October 11, 2005, some 43 days after Katrina made landfall. Ultimately, the storm caused more than $160 billion in damage, and the population of New Orleans fell by 29 percent between the fall of 2005 and 2011.

Hurricane Katrina, tropical cyclone that struck the southeastern United States in August 2005, breaching levees and causing widespread death and damage. Ultimately, the storm caused more than $160 billion in damage, and it reduced the population of New Orleans by 29 percent between the fall of 2005 and 2011.