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.
11/02/2020: Currency Devaluation
The Yemeni Rial witnessed another devaluation as the Central Bank of Yemen devalued the currency by 25% to ease foreign currency shortages and stabilize the economy.
21/07/2017: Commencement of New Series Polymer Banknotes
New series of polymer banknotes with modern designs entered circulation.
13/10/2016: Central Bank Relocation
The internationally recognized government of Yemen relocated the Central Bank from Sana'a to Aden, causing further fragmentation in the value and availability of the Yemeni Rial.
16/09/2015: Houthi Takeover and Currency Instability
Following the Houthi rebel's takeover of the capital Sana'a, the Yemeni Rial faced further instability, resulting in hyperinflation and a depreciation of its value.
05/05/2013: Upgrade of polymer banknotes
Introduction of new polymer banknotes with enhanced security features.
01/07/2011: Introduction of Brunei-Indonesia Currency Agreement
Brunei dollar became interchangeable with Indonesian rupiah in specified regions.
27/09/2009: Government Decision
The Yemeni government announced a 9.3% devaluation of the rial as a measure to cope with the economic crisis and declining oil revenues.
18/03/1996: Change in currency regime
Brunei dollar became fully backed by foreign exchange reserves instead of gold.
04/05/1994: Civil War and Currency Devaluation
During the Yemeni Civil War, the Yemeni Rial experienced a significant devaluation, with the exchange rate reaching around 200 rials for 1 US dollar.
22/05/1990: Yemeni Unification
The Yemeni Rial became the official currency of the newly unified country of Yemen after the merger of the Yemen Arab Republic (North Yemen) and People's Democratic Republic of Yemen (South Yemen).
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.
26/08/1948: Currency Introduction
The Yemeni Rial (YER) was first introduced as the official currency of North Yemen, replacing the Yemeni Riyal at a rate of 1 rial = 1,000 Riyals.