01/01/2022: Removal of monarchy symbol
Brunei currency no longer featured the portrait of the Sultan as part of efforts to modernize the banknotes.
21/07/2017: Commencement of New Series Polymer Banknotes
New series of polymer banknotes with modern designs entered circulation.
05/05/2013: Upgrade of polymer banknotes
Introduction of new polymer banknotes with enhanced security features.
31/12/2011: Replacement of 1 Lek coin
The 1 lek coin was demonetized and replaced by a banknote. The decision was made due to the high cost of producing the coin.
01/07/2011: Introduction of Brunei-Indonesia Currency Agreement
Brunei dollar became interchangeable with Indonesian rupiah in specified regions.
08/02/2000: Introduction of new banknotes and coins
A new series of banknotes and coins were introduced, featuring enhanced security features and updated designs.
02/03/1997: Collapse of pyramid schemes
The collapse of pyramid schemes in Albania caused a severe economic crisis, resulting in hyperinflation and a significant devaluation of the lek.
18/03/1996: Change in currency regime
Brunei dollar became fully backed by foreign exchange reserves instead of gold.
26/06/1992: Transition to a market economy
Albania transitioned to a market economy, leading to a significant depreciation of the lek. The exchange rate changed to 1 lek = 9.3 old lek.
12/06/1973: Establishment of Brunei Currency Board
Currency Board assumed responsibility for the issuance and management of Brunei dollar.
27/07/1967: Introduction of Brunei and Singapore Currency Interchangeability Agreement
Brunei and Singapore dollars became interchangeable at par.
01/10/1965: Introduction of the new lek
A new series of banknotes and coins were introduced, marking the transition to the new lek. The exchange rate was set at 1 new lek = 10 old lek.
22/12/1947: Albania becomes a communist state
Following the establishment of a communist regime in Albania, the currency underwent a major devaluation, with the exchange rate changing to 1 lek = 12.5 old lek.
01/09/1926: Introduction of the Albanian lek
The lek was introduced as the official currency of Albania, replacing the previous currency, the Turkish lira. The exchange rate was set at 1 lek = 35 Turkish lira.