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The international peace treaties of 1919-1920 signed at Neuilly,Saint-Germain, Trianon and Paris, established the new European realities and also sanctioned the union of the provinces that were inhabited by Romanians into one single state (295,042 square kilometers, with a population of 15.5million)."
Ion Calafeteanu, History of Romanians
http://www.roembus.org/english/romanian_links/history_of_romanians.htm