Historic Bhutanese ngultrum Guinean franc

Bhutanese ngultrum guinean franc history since 10/08/2025 until today (0 years). Search for BTN to GNF exchange rate history for a particular date, month or year.

The Bhutanese ngultrum is the currency of Bhutan (supplied by Royal Monetary Authority of Bhutan and the currency supplied by Central Bank of the Republic of Guinea. The BTN GNF historical data can be seen on the Bhutanese ngultrum guinean franc historical chart.

24/10/2018: 50 Ngultrum commemorative banknote issued

A special commemorative banknote of 50 Ngultrum was issued to celebrate the 50th Birth Anniversary of His Majesty Jigme Khesar Namgyel Wangchuck.

30/06/2015: Demonetization of old Guinean franc banknotes

The old series of Guinean franc banknotes, denominated in 'Syli,' ceased to be legal tender, and only the new franc banknotes remained in circulation.

28/10/2013: 1000 Ngultrum banknote issued

A new denomination of 1000 Ngultrum banknote was introduced, reflecting the growing economy and need for larger denomination currency.

26/09/2012: Introduction of new Guinean franc coins

New coins denominated in the Guinean franc were introduced, replacing the previously used Guinean syli coins.

09/06/2011: Second series of Ngultrum banknotes issued

The second series of Bhutanese Ngultrum banknotes were issued, featuring improved security features and updated designs representing Bhutan's unique culture.

30/06/2010: Revaluation of the Guinean franc

The Guinean franc underwent a revaluation, with 1 new franc being equivalent to 10,000 old francs.

21/11/2006: Introduction of polymer banknotes

Polymer banknotes were introduced in Bhutan, replacing the older paper banknotes, to enhance durability and security of the currency.

30/06/1997: Introduction of new Guinean franc

A new series of Guinean franc banknotes, denominated in 'Syli,' was introduced as a replacement for the previous currency.

04/03/1992: First series of Ngultrum banknotes issued

The first series of Bhutanese Ngultrum banknotes were issued in denominations of 1, 5, 10, 20, 50, and 100 Ngultrum, showcasing Bhutanese culture and landmarks.

30/11/1985: Devaluation of the Guinean franc

The Guinean franc was devalued by 50%, leading to an economic crisis and high inflation.

31/12/1975: Establishment of the Royal Monetary Authority of Bhutan

The Royal Monetary Authority of Bhutan was established as the central bank of Bhutan, responsible for managing the Ngultrum currency.

31/05/1974: Introduction of the Bhutanese Ngultrum

The Bhutanese Ngultrum was introduced as the official currency of Bhutan to replace the Indian Rupee.

31/05/1971: Redenomination of the Guinean franc

The Guinean franc underwent a redenomination, with 1 new franc being equivalent to 10 old francs.

01/10/1959: Introduction of Guinean franc

The Guinean franc was introduced as the official currency of Guinea following its independence from France.