The United States of America dropped its first-ever atomic bomb on the city of Hiroshima, Japan.
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NASA's Curiosity rover landed on Mars' Aeolis Palus plain.
Jon Stewart hosted his last episode of 'The Daily Show.'
A team of NASA scientists declared that the Martian ALH 84001 meteorite might contain traces of alien life.
Mount Tongariro in New Zealand erupted for the first time in 115 years.
The Department of Health in Manila, Philippines, declared a national epidemic after the dengue outbreak.
