In this Sept. 4, 2012, photo, Maryland Gov. Martin O’Malley (D) addresses the Democratic National Convention in Charlotte, N.C. (AP Photo/J. Scott Applewhite)

Cue a new round of 2016 speculation...

Maryland Gov. Martin O'Malley (D) will be the keynote speaker at the Iowa Democratic Party's state convention on June 21.

"Governor O’Malley has fought to make government work for the people of Maryland by creating jobs and expanding opportunity for middle class families. As we head into a vital election year, Governor O’Malley will help support our candidates up and down the ticket as Iowa Democrats work together to change course for our state’s future," said Iowa Democratic Party Chairman Scott Brennan in a statement.

No politician goes to Iowa -- site of the first in the nation presidential caucuses every four years -- by accident. For O'Malley in particular, the trip is notable. He's considered a potential 2016 presidential candidate, especially if former secretary of state Hillary Rodham Clinton (D) doesn't run.

As the Washington Post's John Wagner reported Wednesday, O'Malley is also scheduled to appear as a “special guest” next month at an annual Flag Day Dinner hosted by the Manchester Democrats in New Hampshire.