NASA’s Discovery Space Shuttle landed in California after completing its maiden voyage.
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The Reign of Terror occurred in France, where many massacres and public executions happened during the French Revolution.
The Voyager 1 Space Probe was launched from Cape Canaveral in Florida.
The first Continental Congress meeting was held in Philadelphia, US.
Gotthard Road Tunnel opened in St Gotthard, Switzerland, making it the longest tunnel in the world at the time.
74-year-old Erramatti Mangamma became the world's oldest mother after giving birth to twins in India.
