Around 1,000 Soviet tanks entered Budapest, the capital of Hungary, after bombing half the city in an attempt to take over.
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The Paris Climate Change Agreement went into force.
Canadian country singer Shania Twain released her third album, 'Come On Over.'
A British-led team of archaeologists located the entrance to Tutankhamun's tomb.
462 non-violent inmates were released from Oklahoma prisons in the largest commutation in American history.
The first wagon train arrived in California after having left Independence, Missouri, in May 1841.