The Hubble Space Telescope captured the first images of the surface of Pluto.
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Brazilian soccer athlete Neymar da Silva Santos Jr. started his professional career at just 17 years old.
Prince Wilhelm of Wied arrived in Albania to begin his reign as King.
Queen Elizabeth II published her first post on Instagram.
Finland's Parliament House in Helsinki was inaugurated.
Napoleon I of France won the Battle of Craonne, stopping Russian and Prussian forces in Northern France.