Financial/economic history is incredibly important if one wants to invest successfully. Much of the things we see in the markets had happened before, but not necessarily in our lifetimes. For example there were entire decades in the US history when bonds easily outperformed stocks, yet because of the last decade your typical retail investor thinks bonds are for people that don't want good long term gains.

"How The Economic Machine Works" https://youtu.be/PHe0bXAIuk0