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.
24/05/2018: 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.
28/07/2016: Bank of Japan announces stimulus package
The Bank of Japan announced an aggressive stimulus package and negative interest rates, causing the Yen to depreciate against major currencies.
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.
11/03/2011: Great East Japan Earthquake
The Tohoku earthquake and tsunami devastated Japan, leading to a decline in the Yen as reconstruction efforts strained the economy.
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.
15/09/2008: Lehman Brothers bankruptcy
The bankruptcy of Lehman Brothers triggered a global financial crisis, resulting in a surge in the value of the Yen as investors sought safe-haven assets.
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.
20/03/1995: Kobe earthquake
The Great Hanshin earthquake struck Kobe, causing significant damage to the Japanese economy and leading to a decline in the value of the Yen.
22/09/1985: Plaza Accord
Japan, along with major economies, agreed to depreciate the value of the US dollar, leading to the appreciation of the Yen.
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.
01/03/1973: Yen becomes a floating currency
The Yen lost its fixed exchange rate and started floating against major currencies following the collapse of the Bretton Woods system.
15/12/1953: Yen is introduced
The Japanese Yen was first introduced as the official currency of Japan with the enactment of the Bank of Japan Act.