The Des Moines Register, the most influential newspaper in the swing state of Iowa, endorsed Mitt Romney's presidential campaign on Saturday night.

"Voters should give Mitt Romney a chance to correct the nation’s fiscal course and to implode the partisan gridlock that has shackled Washington and the rest of America," wrote the Register's editorial board.

Of President Obama, who the Register endorsed four years ago, the editorial board wrote: "Barack Obama rocketed to the presidency from relative obscurity with a theme of hope and change. A different reality has marked his presidency. His record on the economy the past four years does not suggest he would lead in the direction the nation must go in the next four years."

(You can read the full endorsement here.)

The last time the Register endorsed a Republican candidate for president was Richard Nixon in 1972.

Both Obama and Romney competed aggressively for the Register endorsement. Obama placed a call to the editorial board last week to court the paper's support; the conversation was initially off the record but was put on the record after the paper complained.

 In the moments after the Register endorsement was announced, Romney tweeted: