I'm pretty sure it was the Julian calendar so Julius Caesar
The Ozark Plateau is heavily forested and contains many hills. It is he most extensive interior highland region between the Rockies and the Appalachians.
The area is known for sandstone hills and ridges.
The Invention of Farming lead to the creation of river valley civilizations by making it so the civilization could live in these places and have food. The basic concept of river valley farming is that when the river tide goes up, then the soil becomes very fertile and you plant the crops.
JFK meant that instead of expecting change to your country what can you do to change it. <span>Kennedy's inaugural was as much a challenge to America's youth as it was a speech.</span>
In the late 1800s a second period of industrial growth was spurred by<span> Developments in processing steel and oil.</span>