The Marianna Coal Mine in Pennsylvania exploded and killed 154 men.
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A Virgin Airlines plane became the first to fly using 100% sustainable jet fuel.
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.
Prime Minister of Britain, Margaret Thatcher, handed in her resignation to the Queen and stepped down after being prime minister for 11 years.
