The Romans (Julius Cease 55 B.C.)
The Anglo-Saxons (449 A.D.)
The Vikings (793 A.D.)
The Normans (French; 1066 A.D. Battle of Hastings)
Most landforms change very slowly over many, many years. New mountains have formed as the plates of Earth's crust slowly collided, and others have been worn away by weathering and erosion. ... Floods and landslides can change landforms in a matter of seconds. Volcanic eruptions can also change landforms quickly.
Mesopotamia was the first developed civilization
President Jimmy Carter requests that the Senate postpone action on the SALT-II nuclear weapons treaty and recalls the U.S. ambassador to the Soviet Union.
I'm sure rivers can't "sit" but the Nile set place near Egypt in Africa... :)
Hope that helps!