Iraqi dinar revalue is a common thing, as with any sort of money currency. Introduced in 1932, it beat out the Indian rupee that had been the official currency since the British occupation of the country in World War I, and has been the currency ever since.
As with most currency, there are drops and spikes in the dinar currency value. The money has also undergone some past changes as well. The banknotes issued between 1990 and October of 2003, along with a 25 dinars note issued in 1986, bore an idealized engraving of the former Iraqi President Saddam Hussein.
For obvious reasons this was changed, but it was not the only change to take place. Following the 1991 Gulf War, the currency in Iraq was printed both locally and in China, using poor grade wood pulp paper rather than cotton or linen, and inferior quality lithography, some rumored to be printed on presses designed for printing newspapers.
These days, with the Iraqi dinar revalue being a thing, 1,260 dinars are now trading to the dollar, a level not been reached since last year. It has become very popular as a currency, and possibly because of that the history is becoming pretty fascinating as well.
Revaluing a currency is necessary in order to keep it mainstream. Dinar trading and dinar purchasing have become as common as trading or purchasing the euro. With any given currency having access to it is vital if a trip overseas is going to happen.