What are livres from 1789?

Livres from 1789 were the currencies used during that period. It was the currency of France and it had several types and some existed concurrently. Livre was actually established by a French named Charlemagne and it was used as a unit of account and that was equal to one pound of silver. The word Livre has been derived from the Latin word Libra. Libra is originally a Roman unit for weight measurement. The first Livre that was used was known by the name of Livre Carolingienne. Befor the use of Livre as a currency of France, the denier was used as a commonly used currency.