May 02, 2011
Looking back at the viewing data since 2008, there are few other speeches overall that have more views. In general, views for CSPAN YouTube videos hit an all-time high on Sunday, 4.4 million views, which were mostly for that speech. That's roughly double the previous high from January 20th, 2009, Barack Obama's inauguration day.
The chart below shows the disparity in views so far for the 2011 remarks and CSPAN videos of other remarks made by President Obama and President Bush the past few years: