The Outer Space Treaty was signed to prevent the use of nuclear weapons being utilized in space.
Source
Apollo 11 landed on the Moon with astronauts Neil Armstrong, Buzz Aldrin, and Michael Collins.
The Mariner 1 Space Probe was forced to self-destruct minutes after launching.
The United States conducted its first and only nuclear artillery test at the Nevada Test Site.
The National Space Development Agency of Japan selected Mamoru Mohri, Chiaki Mukai, and Takao Doi as Japan’s first astronauts.
US President Franklin D. Roosevelt received a letter from Albert Einstein detailing the possibility of atomic weapons.
