I would think the first person to cut down a tree and stick it across a river. Why do you need to know?
What started the modern day environmental movement is a picture of the planet earth.
Chess
trees
The War in Iraq which started in 2003.
The modern day history of Jehovah's Witnesses started in the United States.
"do you know your enemy?" - Green Day
Early modern day civilization is the period classified between 1500 and 1800. It started with the European expansion into colonies and when science started to gain ground.
The modern era
The modern era
The modern era
The modern era
The modern era