The EURUSD traded at 1.12 dollars on Thursday September 10, according to interbank foreign exchange market quotes. The Euro Dollar Exchange Rate - EUR/USD averaged 1.35 from 1957 until 2015, reaching an all time high of 1.87 in July of 1973 and a record low of 0.70 in February of 1985. The euro was only introduced as a currency on the first of January of 1999. However, synthetic historical prices going back much further can be modeled if we consider a weighted average of the previous currencies.