Toshiba rolled out a four-legged robot designed to clean up after nuclear disasters.
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MTV and Harmonix released Rock Band for PS3 and Xbox 360 in North America.
English singer-songwriter Adele released her third studio album, '25.'
The American state of New Jersey was the first state to ratify the Bill of Rights.
Beethoven premiered Fidelio in Vienna, Austria, which was his only opera.
The Georgia Dome in Atlanta was blown to smithereens in a controlled demolition.
