Treaty of Craiova
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The Treaty of Craiova (Bulgarian: Крайовска споготба) was signed on 7 September 1940 between Bulgaria and Romania. It was approved by Nazi Germany, the United Kingdom, USSR, Italy, France and under its terms Romania returned the southern part of Dobruja (the Cadrilater or "Quadrilateral" in Romanian) to Bulgaria and agreed to participate in the organization of a population exchange.
The 80,000 Romanian and Aromanian colonists were forced to abandon their houses in Southern Dobruja. Most of them had settled there since the end of the Second Balkan War in 1913 (see Treaty of Bucharest, 1913), when the territory was occupied by Romania. They resettled in the northern part, while 65,000 Bulgarians of the northern part had to leave their real estate and settle in Bulgaria.

