The chocolate we know and love today is a more recent invention than most people realize.
Two Dutch inventors from the same family (the van Houtens) created a process that took the bitterness out of chocolate, and this video from The History Guy, aka Lance Geiger, offers viewers a deep dive into the history of the sweet stuff that makes us swoon.
Source: https://twistedsifter.com/videos/the-chocolate-we-eat-was-invented-much-more-recently-than-you-think/