American singer Selena Gomez released her second full-length studio album “Revival.”
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14-year-old girls-rights activist Malala Yousafzai was shot three times on her way to school.
One thousand radio stations from over 100 countries around the world simultaneously broadcast John Lennon's 'Imagine' in honor of what would have been his 50th birthday.
Hoover Dam began producing electricity and transmitting it to Los Angeles, California.
Andrew Lloyd Webber's musical 'Phantom of the Opera' was premiered in London with stars Michael Crawford and Sarah Brightman.
The Dublin and Kingstown Railway officially opened.