1934: After years of unprecedented economic growth in the 1920s, the United States suffers from the stock market crash of 1929, leading to the Great Depression.

Today: After years of economic growth and prosperity in the 1990s, stemming from the unprecedented growth of the hi-tech industry, the United States enters into their greatest recession since the Great Depression.

1934: Europe faces the rise of anti-democratic movements in Germany, Italy and Spain. Fascism and National Socialism are threatening the stability of Europe and, by extension, of the world.

Today: Although Europe has experienced the spread of democracy since the fall of communism in the 1980s and 1990s, the region faces increased threats of terrorism from Islamic extremists and Russian secessionists.

1934: Labor unions are still struggling to make inroads into the private sector. As a result, workers do not have basic benefits such as guaranteed wages, overtime pay, or...