Great Smoky Mountains National ParkSept. 2, 1935: The Florida Keys Hurricane kills more than 400 people, mostly World War I veterans building the overseas railroad to Key West.

Sept. 2, 1940: U.S. President Franklin D. Roosevelt formally dedicates the Great Smoky Mountains National Park (at right), created by Congress six years earlier. Straddling the border of Tennessee and North Carolina, the Smokies are among the highest and most scenic mountains in the eastern U.S. The park becomes one of the most heavily visited.

Sept. 2, 2005: U.S. President George W. Bush signs a $10.5 billion emergency aid package to aid in the recovery of Hurricane Katrina. Bush visits the region and tells Federal Emergency Management Agency director Michael Brown that he is doing a “heck of a job” leading the recovery effort.

Sept. 2, 2011:  U.S. President Barack Obama infuriates his environmental supporters by backing down in the face of a Congressional effort to defeat stricter air pollution rules.

Photo: pfly/Flickr

This feature is compiled by Peter Dykstra, an MNN contributor and publisher of Environmental Health News and The Daily Climate.