The history of dreads well, that is a lot to swallow. The history of dreads dates back to the ancient times. They have been around since the dawn of man, basically. To say where it came from, no one really knows exactly in what point of time that they started, but we do know that they have been around for centuries.
More recently dreads became popular, because in today's society wearing natural styles is very trendy and very popular, and most of that is because of the dreadlock styles. Dreadlocks are a great way to express your individuality and they're a great way to be natural in a low-maintenance way.
You definitely have to do some maintenance to maintain your dreadlocks, but in general it is very low-maintenance, in regards to having something natural at the same time. So in a nutshell that's a very brief explanation of the history of dreadlocks.