Bank of Tokyo and Mitsubishi Bank merged to become the world’s largest bank.
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A nuclear disaster occurred at Three Mile Island in Pennsylvania, US.
The world's first weightlifting championship took place in London, England.
The term ''Big Bang" was coined by Fred Hoyle in a radio interview.
The European Union Parliament declared single-use plastics were to be banned by 2021.
Roman Emperor Valentinian I made his brother, Flavius Valens, his co-emperor.
