A polymer note replaced the paper £20 note in the UK.
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US President George Washington signed the Postal Service Act.
The Station nightclub in Rhode Island burned down, killing 100 people.
Jimi Hendrix played his first gig at Temple de Hirsch Synagogue, Seattle, USA.
Venezuela created its first virtual currency, called the petro, in hopes of saving its economy.
A John Lennon fan bought a lock of his hair for $35,000 at an auction in Dallas, Texas, USA.