16 septembrie: Ziua în care domnitorul Alexandru Ghica a instituit leul ca monedă oficială în Țara Românească

On September 16, significant historical events occurred, including the establishment of the leu as Romania's official currency in 1835 and the signing of a friendship treaty between Romania and Hungary in 1996. Notable figures born on this date include politician Vintilă I. C. Brătianu in 1867 and jazz singer Anca Parghel in 1957. Additionally, the renowned soprano Maria Callas passed away in 1977, marking a notable loss in the world of music. The day also witnessed the economic turmoil known as 'Black Wednesday' in 1992, which led to the withdrawal of the British pound from the European Exchange Rate Mechanism.