Richard Crosbie became the first Irish man to fly a hot air balloon in Ireland.
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The Beatles song 'Helter Skelter' was played in court as evidence for Charles Manson's trial.
Coopers Inc. started selling the world's first men's briefs in Chicago.
The popular board game Scrabble went on sale in the UK.
Indira Gandhi was elected as India's fourth Prime Minister.
Jacinda Arden resigned as the Prime Minister of New Zealand.