February 21 in History — What Happened on This Day | HeyFYI

February

21

1 events recorded

What Happened on February 21?

From 2006 to 2006, February 21 has witnessed pivotal moments across 1 different categories of history.

1

Events

0

Years span

1

Categories

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Events on February 21

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Twitter Launched

Twitter was officially launched to the public, initially described as an SMS-based communications platform. The microblogging service would transform news, politics, and public discourse worldwide.