Taylor Swift’s third studio album “Speak Now” was released. It won Billboard’s 2011 Album of the Year.
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The British singer Cliff Richard was knighted by Queen Elizabeth II.
Benjamin O. Davis Sr. became the first African American US Army brigadier general.
The original American horror film ''Halloween” premiered in Kansas City, Missouri, US.
The Battle of Agincourt between the English and the French took place.
Scientists in India discovered a 152-million-year-old fossil of an extinct marine reptile called the ichthyosaur.
