On March 18, 1965, Soviet cosmonaut Alexei Leonov stepped out of his spacecraft and became the first person to walk in space, floating freely for several extraordinary minutes before returning safely to his capsule.
The achievement inspired the United States as well, and just months later astronaut Ed White completed America's first spacewalk during the Gemini 4 mission, continuing the friendly competition that pushed spaceflight technology forward.
Back on Earth, audiences fell in love with the film The Sound of Music, the Early Bird satellite began relaying commercial telephone and television signals across the Atlantic, and Houston opened the Astrodome, the world's first domed sports stadium.
Looking back, 1965 revealed just how far human courage and curiosity could carry people, whether stepping into the vacuum of space or building bold new spaces here at home.
A brighter side
Notable constructive milestones
The first spacewalk took place
Alexei Leonov became the first person to conduct an extravehicular activity in space.
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