Benjamin O. Davis Sr. became the first African American US Army brigadier general.
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The British singer Cliff Richard was knighted by Queen Elizabeth II.
Scientists in India discovered a 152-million-year-old fossil of an extinct marine reptile called the ichthyosaur.
Taylor Swift's third studio album 'Speak Now' was released. It won Billboard's 2011 Album of the Year.
The Battle of Balaclava took place during the Crimean War.
John Hancock became the first Governor of Massachusetts after winning 90% of the votes in the Massachusetts Constitution.
