The Treaty of Rome was signed on 25 March 1957 between six European coutries (Belgium, France, Italy, Luxembourg, the Netherlands and Germany. After centuries of wars, those countries started to act together for more peace and prosperity. This treaty was the basis of the European Economic Community. It was one of two treaties (the other being Treaty of Maastricht) that created the European Union. It created a common market for goods and people. Other countries later joined it. 