Metro

Hassan sworn in as Democratic senator from New Hampshire

Vice President Joe Biden, right, administers the Senate oath of office to Sen. Maggie Hassan, D-N.H., as her husband Thomas Hassan holds a bible, during a mock swearing in ceremony in the Old Senate Chamber on Capitol Hill in Washington, Tuesday, Jan. 3, 2017, as the 115th Congress begins. (AP Photo/Alex Brandon)
Alex Brandon/AP
Vice President Joe Biden (right) administered the Senate oath of office to Senator Maggie Hassan as her husband held a bible, during a mock swearing in ceremony in the Old Senate Chamber on Capitol Hill in Washington.

CONCORD, N.H. — Democrat Maggie Hassan was sworn in Tuesday as a US senator, becoming only the second woman to serve as a governor and senator in American history.

Hassan, a two-term governor, resigned as state executive at midnight Monday. She was sworn in by Vice President Joe Biden in the Senate Chamber in Washington at noon, using the Bible that she received from her mother as a child.

‘‘I look forward to hitting the ground running in the Senate and working to find common ground to expand middle-class opportunity, support innovative small businesses, and keep New Hampshire and America safe, secure, and strong,’’ Hassan said in a statement.

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She edged Republican incumbent Kelly Ayotte in November to take her seat in the US Senate.

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In New Hampshire, Hassan handed over the governor’s office to Republican Senate President Chuck Morse. He is serving until Republican Governor-elect Chris Sununu is inaugurated Thursday.

The other woman to serve as governor and US senator is Democrat Jeanne Shaheen, also from New Hampshire.

Shaheen, Hassan, and Representatives Annie Kuster and Carol Shea-Porter now make up the nation’s first all-female, all-Democratic congressional delegation.

Kuster is serving her third consecutive term in the Second District, a first for a Democrat in that seat. Shea-Porter is serving her fourth term, winning victories in 2006, 2008, 2012, and 2016.