East Pakistan renamed itself Bangladesh after seceding from Pakistan.
Source
Harry Potter author J.K. Rowling officially finished writing The Deathly Hallows.
Charing Cross Railway Station opened in London, England.
Wesley College was established in Melbourne, Australia.
Astronomer Sir William Herschel discovered the first two moons of Uranus, Titania & Oberon.
Samuel Morse sent the first telegraph message using Morse code across two miles of wire in New Jersey, USA.