20 Rare Historic Photos That You Probably Haven't Seen Before

History helps us develop a better understanding of the world.
Understanding history helps us understand the world at large. History paints a detailed picture of how society, technology, and government worked in the past so that we can better understand how it works now. While world history might feel far away, studying history reveals how all events are connected.  It also helps us determine how to approach the future, as it allows us to learn from our past mistakes (and triumphs) as a society.