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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A plane crash in South Sudan at Juba International Airport killed 31 people.
The Paris Climate Change Agreement went into force.
Canadian country singer Shania Twain released her third album, 'Come On Over.'
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.