Led Zeppelin announced their break-up, this was two months after the death of drummer John Bonham.
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The Los Angeles Times was first published as the Los Angeles Daily Times.
A lethal fog began to cover London, lasting for five days, causing the term 'smog' to be termed – a combination of smoke and fog.
The French government was toppled in the first successful vote of no confidence since 1962.
The first edition of the world's first Sunday newspaper, The Observer, was published.
King Louis IX of France and Henry III of England signed the Treaty of Paris, ending 100 years of conflict.
