Astronaut Bruce McCandless Becomes the First Human Satellite
On February 7, 1984, astronaut Bruce McCandless II made the first untethered spacewalk, flying free from the space shuttle Challenger.
On February 7, 1984, astronaut Bruce McCandless II made the first untethered spacewalk, flying free from the space shuttle Challenger.
On June 6, 1984, Soviet researcher Alexey Pajitnov completed the first playable Tetris — a game of falling blocks that would conquer the world.
On October 26, 1984, surgeons gave a dying twelve-day-old baby a baboon's heart — a twenty-day struggle that changed infant medicine.
On December 3, 1984, a methyl isocyanate leak at a Union Carbide pesticide plant in Bhopal, India, became the worst industrial disaster in history.
On December 19, 1984, Britain's Margaret Thatcher and China's Zhao Ziyang signed the treaty that would return Hong Kong to China in 1997.