The first four-engine aircraft was built and flown by Igor Sikorsky.
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The first railway line in Pakistan opened, with trains running from Karachi to Kotri.
The first British-made jet bomber, the English Electric Canberra, made its first test flight.
Apple released its Macintosh System 7.0.
Winston Churchill made his famous speech to the House of Commons.
Zakir Husain began an almost two-year term as President of India.
