Obamacare was forced down the throat of Americans so democrat liberals could impose their single payer socialized health care system on voters, whether they like it or not. It's also the day that the Democratic Party died. That party has never been the same since they betrayed the American voters.
source: http://biggovernment.com/jradtke/2011/03/23/remembering-the-day-america-was-ignored/