March 17, 2010: Capitol Hill will join today in nationwide celebrations of St. Patrick's Day, the yearly holiday commemorating Ireland's most famous patron saint. We take a look at pols celebrating the shamrock.
Here, Sen. Ted Kennedy, his wife, Joan Kennedy and their children attend the Chicago St. Patrick's Day Parade on March 17, 1980.
March 17, 1983: President Reagan, then-Speaker of the House Thomas 'Tip' O'Neill and then-House Minority Leader Robert Michel attend a luncheon in honor of St. Patrick's Day on Capitol Hill.
March 17, 1996: Pat Buchanan attends Chicago's south side St. Patrick's Day Parade.
March 17, 2000: President Clinton receives a bowl of shamrocks from Irish Prime Minister Bertie Ahern on St. Patrick's Day at the White House.
March 17, 2003: Former Mayor Rudy Giuliani, then-Governor of New York George Pataki, former Mayor Edward Koch and then-Governor of New Jersey Jim McGreevey attend New York City's 5th Avenue St. Patrick's Day Parade.
March 17, 2005: President George W. Bush and Prime Minister of Ireland Bertie Ahern walk through the U.S. Capitol Rotunda after a St. Patrick's Day Luncheon.
March 17, 2008: Then-Democratic presidential candidate Sen. Hillary Clinton waves to supporters as she walks down the Boulevard of the Allies during the St. Patrick's Day Parade in Pittsburgh.
March 17, 2008: Irish Prime Minister Bertie Ahern presents President George W. Bush with a bowl of shamrocks during a St. Patrick's Day reception in the East Room of the White House.
March 17, 2009: President Barack Obama and Prime Minister Brian Cowen of Ireland attend a St. Patrick's Day lunch hosted by Speaker of the House Nancy Pelosi in the Rayburn Building, U.S. Capitol, Washington D.C.
Official White House Photo by Pete Souza
March 17, 2009: The fountain on the North Lawn of the White House runs green in honor of St. Patrick's Day.
Newscom/UPI/Roger L. Wollenberg