03/03/2020: COVID-19 Pandemic Impact
The COVID-19 pandemic caused significant fluctuations in the value of the Polish Zloty, influenced by global economic uncertainties and shocks to foreign trade.
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.
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.
17/11/2014: National Bank of Poland Intervention
The National Bank of Poland intervened in the currency market to weaken the Polish Zloty, aiming to stimulate exports and counter deflationary pressures.
01/04/2011: Poland Joins the ERM II
Poland's participation in the European Exchange Rate Mechanism II aimed to facilitate converging towards the Euro and maintaining stability for the Polish Zloty.
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.
27/10/2008: Global Financial Crisis
The global financial crisis had repercussions on the Polish Zloty, with the currency experiencing devaluation and higher volatility due to market uncertainty.
01/05/2004: Poland's EU Accession
Poland's accession to the European Union had a profound impact on the Polish Zloty, as it became subject to EU regulations and influenced by the Eurozone.
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.
04/06/1989: Fall of Communism in Poland
The end of communist rule in Poland led to significant economic and currency reforms, including a stabilization program that strengthened the Polish Zloty.
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.
01/01/1950: Introduction of the Polish Zloty
The Polish Zloty was introduced as the official currency of Poland, replacing the old Polish currency. It played a crucial role in rebuilding the post-war economy.