The 2012 US Election Night on Twitter

"One hundred million votes and 31 million Tweets later, Election Day 2012 has come to a close. As the results of the election were called by news organizations, the conversation on Twitter surged, hitting a peak of 327,452 Tweets per minute (TPM). Before President Obama took the stage to address the nation, he shared a special update on Twitter. As thousands of supporters cheered in Chicago, more than 455,000 (and counting) retweeted his celebratory message:

Four more years. twitter.com/BarackObama/st…
— Barack Obama (@BarackObama) November 7, 2012

While the announcement of results was the biggest moment of the election cycle, there were many other notable Twitter moments tonight:
-327,452 TPM - 11:19pm ET - Networks call Obama's reelection
-85,273 TPM -11:12pm ET - IA presidential race called
-69,031 TPM - 9:33pm ET - PA and WI presidential races called
-65,106 TPM - 8:03pm ET - Polls close in various states; AP calls races for IL, CT, ME, DC, DE, RI, MD, MA"
Source:  Twitter blog, 6th November 2012
Also - 3.1m Likes and 360,000 shares on Facebook