Quiz: State of the Union knowledge

President Obama delivered a 61-minute State of the Union address with a new theme -- putting his emphasis on investing in making America's economy more competitive in a challenging world.

Different presidents stress common themes with their State of the Union addresses.

Sounding a theme of unity, President Obama called for investment in education and clean energy and a freeze in some spending.

President Obama said this generation's "Sputnik moment" has arrived, but what exactly did he mean?

Here are a few facts about the president's annual address to Congress that probably won't show up in the headlines.

President Obama's speech will be the nation's 222nd annual address. How much do you know about the previous speeches?

Donna Brazile says it's a good sign that members of Congress are looking across the aisle for seatmates from the opposing party.

The tradition of the State of the Union address dates to 1790. Here are some of the messages in history.