ST. PAUL, Minn. (AP) — All three Democratic contenders for president are heading to Minnesota for a state party fundraiser.

Hillary Clinton, Bernie Sanders and Martin O'Malley will join the state's biggest Democratic names and supporters for a dinner in St. Paul on Feb. 12. Minnesota DFL Party chairman Ken Martin announced the trio of special guests for the fundraiser on Wednesday.

The party expects the event to be their biggest fundraising event in party history.

The three candidates have all made prior stops in Minnesota, which hosts its presidential caucuses on March 1. Clinton outlined her plan to prevent terrorist attacks in Minneapolis on Tuesday.