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.

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

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?

Did you know that the Hoover Dam supplies electricity to more than 20 million people? Get all the facts on this marvel of engineering.

How did President Franklin Roosevelt's New Deal get the American economy back on track, and which components still have a major impact on today's society?