The Marianna Coal Mine in Pennsylvania exploded and killed 154 men.
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Explorer Richard E. Byrd became the first person to fly over the South Pole.
The teaser trailer for 'Star Wars: The Force Awakens' was released, which first introduced the droid, BB-8.
Navigator Ferdinand Magellan began his exploration of the Pacific Ocean.
Women voted in a general election for the first time in New Zealand.
England and France formally recognized Hawaii's independence.
