The first ballistic missile submarine was launched from Groton, Connecticut, US.
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Soviet Space Program's Vega 1, which was launched on December 15, 1984, released a space probe to enter Venus.
Robert Goddard was granted a patent for the rocket-powered aircraft.
British Parliament was broadcasted live.
The Church of England adopted the Book of Common Prayer.
British explorer Matthew Flinders became the first person to successfully circumnavigate Australia.
