The cryptocurrency “Bitcoin” was created, providing a new digital currency.
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The Mars Polar Lander was launched.
The United States broke diplomatic and consular relations with Cuba.
China's Chang'e-4 became the first spacecraft to successfully land on the far side of the Moon.
Leonardo da Vinci unsuccessfully tried to fly his famous Flying Machine invention for the first time.
Alaska became the 49th State to join the United States of America.
