I do believe Mesopotamia is considered the oldest civilization of the Old World and often referred to as the Cradle of Civilization which passes from present day eastern Turkey to The Gulf of Iraq
If you're asking in general then, the area has to have people who share common customs, belief and language.However, this might not entirely be true as there are some countries which have vast diversity and still portray nationalism.
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The Civilian Conservation Corps<span> (CCC) was a public work relief program that operated from 1933 to 1942 in the United States for unemployed, unmarried men from relief families as part of the New Deal.</span>
Well...between August 17 and September 2, 1914, there was the Battle of Tannenberg, which resulted in the defeat of the Russian forces by the German ones. This is a village in Poland, also known as Stębark
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Don't for get to say thanks