Queen Elizabeth II knighted Sir Winston Churchill in London, England.
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The first-generation Apple Watch was released.
A garment factory in Dhaka, Bangladesh, collapsed.
David Bowie and supermodel Iman tied the knot in Lausanne, Switzerland.
Andrew Lawrence became the fastest runner to complete a marathon dressed as a fruit.
The Woolworth Building in New York City was officially opened, making it the world's largest building at the time.
