China’s Chang’e-4 became the first spacecraft to successfully land on the far side of the Moon.
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NASA launched Apollo 9 crewed mission.
Soviet spacecraft Luna 6, destined for a moon landing, failed after flying right past it.
The Soviet spacecraft Luna 3 allowed the world to look at the far side of the moon for the first time.
The Soviet Union's Luna 2 space probe became the first spacecraft to reach the moon's surface.
Apollo 13 was launched successfully but ran into difficulties two days later.
