The first railway line in Pakistan opened, with trains running from Karachi to Kotri.
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Apple released its Macintosh System 7.0.
The Beatles movie, 'Let it Be,' premiered.
An assassination attempt was made on Pope John Paul II.
Winston Churchill made his famous speech to the House of Commons.
Brazil introduced the Golden Law (Lei Áurea), signed by the Princess Imperial of Brazil, which abolished all forms of slavery.
