13 апр 7000 г. до нашей эры - Fire was invented

Описание:

Fires were started by either flint or by creating a ton of friction through continuous rubbing.
The sparks of two pieces of flint being hit is enough to create a spark or the friction will eventually create an ember. After the ember is created the person would then but several dry logs into the embers which would create a fire. this was the first form of heating that would revolutionize