The Times of India was founded, making it the largest English-language newspaper in the world.
Source
Emperor Constantius II was baptized on his deathbed hours before passing.
NASA launched the last space probe in the Mariner Program, Mariner 10.
The Soviet Union sent a dog into space aboard the spacecraft Sputnik II.
The International Radiotelegraph Conference in Berlin selected 'SOS' (· · · – – – · · ·) as the global standard for radio distress calls.
Queen Elizabeth II inaugurated the flow of oil from the UK's first-ever oil pipeline.
