Justin Bieber made his first tweet at 8:27 pm, promoting his single “One Time.”
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US President James K. Polk asked Congress to declare war on Mexico.
Henri Desgrange made the world's first world record for a bicycle, reaching a speed of 21.95 miles per hour.
The 'Grease' musical production opened at the Eugene O' Neill Theater in New York City, running for 1,503 performances.
Minnesota became the 32nd state to join the United States of America.
Monty Python was formed.