The Battle of Lexington.
This battle was officially the first battle the redcoats and minutemens fought each other. The minutemen were less well trained, and overnumbered, and so lost to the better trained larger group of British troops
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Since then the Great Wall was built, rebuilt to protect the northern borders of the Chinese Empire from the Hun's and Mongolian attacks during the rule of successive dynasties.
She discovered a a skull fossil of an ancestor of apes and humans
