The official title of this speech is, well, official: "Annual Message to Congress on the State of the Union by Franklin D. Roosevelt."

But, because most people fall asleep before reading that whole title through, it's more frequently called FDR's "Four Freedoms" speech. This is in reference to, you guessed it, the Four Freedoms. Pretty cut and dry.

The speech was dubbed "Four Freedoms" because these four points are its most famous and enduring elements. Altogether, they create a single, unified concept of human dignity—a concept that must always be upheld and defended.

No wonder it was popular.