Learn more about the 1930s, a particularly tumultuous decade in world history that got its start with a bang - or, more accurately, a crash.

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Explore how the Great Depression of the 1930s forced America to consider having a social safety net, leading President FDR to sign the Social Security Act into law via his New Deal programs. Learn how Social Security has changed over time.

The awe-inspiring Hoover Dam was built in the 1930s from enough concrete to create a two-lane highway from Los Angeles to Boston. How long did America's largest, man-made reservoir take to complete?

Black Thursday brings the roaring twenties to a screaming halt, ushering in a world-wide an economic depression.

On September 30, 1935, U.S. Secretary of the Interior Harold L. Ickes formally dedicates the Hoover Dam during a ceremony attended by President Franklin D. Roosevelt. The dam was built by thousands of workers in one of America's most inhospitable environments.

President Franklin Roosevelt creates a series of programs designed to help America cope with, and recover from the Great Depression.