<Li> 2007 had George Washington, John Adams, Thomas Jefferson, and James Madison </Li> <Li> 2008 had James Monroe, John Quincy Adams, Andrew Jackson, and Martin Van Buren </Li> <Li> 2009 had William Henry Harrison, John Tyler, James K. Polk, and Zachary Taylor </Li> <Li> 2010 had Millard Fillmore, Franklin Pierce, James Buchanan, and Abraham Lincoln </Li>

When was the last time us currency was changed