01/01/2022: Currency Floatation
Angola transitioned from a fixed exchange rate to a floating exchange rate system, allowing the Kwanza's value to be determined by the market forces of supply and demand.
30/10/2020: Kwanza Devaluation
In response to economic challenges, Angola devalued the Kwanza by approximately 24%, increasing the exchange rate from 165 to 195 Kwanzas per US dollar.
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.
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.
15/04/2013: Currency Redesign
Angola launched a new series of banknotes, featuring improved security features and new designs to reflect national landmarks and culture.
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.
08/11/1999: Return to Kwanza
Angola reintroduced the Kwanza as the official currency, replacing the Kwanza Reajustado, at a rate of 1,000 Kwanza Reajustado to 1 Kwanza.
18/02/1999: Introduction of Kwanza Reajustado
Kwanza Reajustado was introduced as a temporary currency, with 1 Kwanza Reajustado equal to 1,000 regular Kwanzas.
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).
31/03/1990: Kwanza Revaluation
In an attempt to combat hyperinflation, the government redenominated the currency, with 1 new Kwanza equal to 1,000 old Kwanzas.
08/01/1977: Introduction of the Kwanza
Angola introduced the first Kwanza currency, replacing the Portuguese Escudo, with 1 Kwanza equal to 1 Escudo.
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.