A polymer note replaced the paper £20 note in the UK.
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The first electric car charging network debuted in Estonia.
Danish-Norwegian explorer Caroline Mikkelsen became the first woman to set foot in Antarctica.
The Station nightclub in Rhode Island burned down, killing 100 people.
Venezuela created its first virtual currency, called the petro, in hopes of saving its economy.
Jimi Hendrix played his first gig at Temple de Hirsch Synagogue, Seattle, USA.