01/01/2020: New Currency Symbol
A new currency symbol for the dobra, resembling the letters 'STD' with horizontal lines through them, was introduced for official use.
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.
24/05/2018: Dobra Pegged to Euro
The dobra's exchange rate was pegged to the euro, aiming to stabilize the currency and boost economic cooperation with the European Union.
01/01/2016: Introduction of Polymer Banknotes
São Tomé and Príncipe started issuing polymer banknotes as a means to enhance durability and reduce counterfeiting of the dobra.
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.
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.
01/01/2010: Currency Redenomination
The third dobra was introduced, with 1 new dobra equalling 1,000 old dobras, aiming to simplify transactions and boost confidence in the currency.
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.
01/01/1997: Introduction of the New Dobra
A new currency, the 'second dobra,' was introduced at a rate of 1,000 to 1 to combat hyperinflation and stabilize the economy.
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.
24/12/1979: First Currency Devaluation
The first devaluation of the dobra occurred, reducing its value by 53% as a result of economic instability and inflation.
30/06/1977: Introduction of the Dobra
The São Tomé and Príncipe dobra was introduced as the official currency of the country after gaining independence from Portugal.
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.