The First Battle of the Marne began during World War I.
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The Indian Space Research Organization's Vikram Moon lander crash-landed on the moon.
Clarence Saunders founded the Piggly Wiggly store in Memphis, Tennessee, US.
Swaziland gained independence from the United Kingdom.
7-month-old twins joined at the back of the head were successfully separated.
Former President Barack Obama gave his nominee acceptance speech.
