Delaware became the first state to ratify the US constitution.
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A ban on diesel cars was called for in France.
One of America's oldest documented highways was completed on this day in Connecticut, USA.
Justin II of Byzantine adopted Tiberius, his general, and proclaimed him Caesar.
A 6.9 earthquake in Spitak, Armenia, killed 25,000-50,000 people and left up to 500,000 homeless.
Apollo 17 launched the final manned lunar landing mission, during which the crew took the famous 'blue marble' photo of the entire Earth.
