Venezuela created its first virtual currency, called the petro, in hopes of saving its economy.
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A polymer note replaced the paper £20 note in the UK.
The first electric car charging network debuted in Estonia.
Jimi Hendrix played his first gig at Temple de Hirsch Synagogue, Seattle, USA.
Danish-Norwegian explorer Caroline Mikkelsen became the first woman to set foot in Antarctica.
Fifteen-year-old Tara Lipinski became the youngest Olympic figure skating gold medalist.
