His photo smile showing, Mark Dayton posed for hundreds of pictures Monday afternoon during an open house to celebrate him becoming Minnesota governor.

New Gov. Mark Dayton sought out every hand to shake that he could Monday afternoon as the Capitol filled with wellwishers. Hundreds of Minnesotans attended an open house shortly after he was sworn in as governor.

It was a day Democrats have wanted to see for two decades. Mark Dayton became Minnesota governor Monday, ending a long dry spell by his party.

Mark Dayton delivered a brief inaugural speech Monday, saying he wants Minnesotans to work together but also saying that he stands by his position of increasing income taxes to help solve a budget hole.

Gov.-elect Mark Dayton, left, and former Vice President Walter Mondale listen to Lt. Gov. Yvonne Prettner Solon talk Monday, moments before Dayton took the oath to become Minnesota governor.

Three Minnesota statewide officials stand at attention during Monday's national anthem, part of Mark Dayton's inauguaral ceremony. Attorney General Lori Swanson, left, and State Auditor Rebecca Otto watch the singer while Secretary of State Mark Ritchie is turned to face the American flag.

Former Vice President Walter Mondale and Attorney General Lori Swanson watch as McKaia Ryberg of Buffalo Lake sings the national anthem Monday, just before Mark Dayton became Minnesota governor.

Lt. Gov. Yvonne Prettner Solon of Duluth tells about 600 people in the Landmark Center Monday that the Dayton administration wants to create jobs for Minnesotans.

Spectators line the second floor of the Landmark Center in downtown St. Paul Monday to watch Mark Dayton take the oath to become Minnesota governor.

U.S. Sens. Al Franken and Amy Klobuchar look up at spectators lining the second and third floors of St. Paul's Landmark Center as Mark Dayton becomes Minnesota's 40th governor.

With family members holding a Bible, Yvonne Prettner Solon takes the oath of office Monday afternoon to become Minnesota lieutenant governor. Judge Donovan W. Frank administered her oath.