The bank of Stockholm issued the first banknotes in Europe.
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The world's first atomic bomb was detonated.
Republican Party in Detroit nominated Ronald Reagan for US president.
Martin Luther had a public debate with theologian Johann Eck at Pleissenburg Castle in Leipzig.
The journey of the Islamic prophet Muhammad and his followers began. This was known as the Hijrah.
US Marine Major John Glenn's 'Project Bullet' broke the transcontinental speed record.
