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