Marvel’s superhero movie “Guardians of the Galaxy” premiered in Hollywood, Los Angeles, US.
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The Temple of Artemis, one of the Seven Wonders of the World, was set on fire by Herostratus.
Greta Gerwig's Barbie and Christopher Nolan's Oppenheimer opened in cinemas.
The Soviet Vostok Station in Antarctica recorded the world's lowest temperature in an inhabited location.
J.K. Rowling's final book in the series 'Harry Potter and the Deathly Hallows' book was published worldwide.
The world's fastest train, a maglev bullet train with speeds of 373 mph (600 km/h), debuted in China.
