The bank of Stockholm issued the first banknotes in Europe.
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The world's first atomic bomb was detonated.
The opera 'Die Entführung aus dem Serail' by Wolfgang Amadeus Mozart premiered in Vienna, Austria.
Martin Luther had a public debate with theologian Johann Eck at Pleissenburg Castle in Leipzig.
The Ukrainian Soviet Socialist Republic's Parliament declared sovereignty over Ukrainian territories.
The journey of the Islamic prophet Muhammad and his followers began. This was known as the Hijrah.
