On October 28 and October 29 of 1929 the U.S. stock market lost over 23% of its value

The timing of the Great Depression varied across countries; in most countries it started in 1929 and lasted until the late 1930s

Some historians believe that the U.S. stock market crash of 1929 was the a symptom, rather than a cause, of the Great Depression

The Empire State Building, Golden Gate Bridge, and Rockefeller Center were all built as part of Depression-era worker relief programs

The U.S. stock market didn't return to pre-depression levels until 1954

On October 28 and October 29 of 1929 the U.S. stock market lost over 23% of its value