East Pakistan renamed itself Bangladesh after seceding from Pakistan.
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Samuel Morse sent the first telegraph message using Morse code across two miles of wire in New Jersey, USA.
The first successful administration of insulin to treat diabetes was given to 14-year-old Leonard Thompson.
Harry Potter author J.K. Rowling officially finished writing The Deathly Hallows.
Diego, a 100-year-old tortoise, was retired from a breeding program after fathering 800+ children.
Judge Simon Cowell left American Idol but continued working with FOX on X Factor US.