ABC News projects Democrat Abigail Spanberger will win the closely watched governor's race, besting Republican Lt. Gov. Winsome Earle-Sears and becoming the first woman elected governor of Virginia.

Richmond, Va. — As the polls closed on Tuesday across Virginia, it quickly became clear it was a night of firsts: Voters overwhelmingly elected a slate of candidates who broke race and gender barriers in contests considered among the most consequential nationally.

Voters in states across the country cast ballots in the first election since President Donald Trump returned to the White House.

Watch live coverage of the NYC, Virginia and New Jersey elections, as well as California's Proposition 50 ballot measure.

Longtime incumbent Rob Bloxom, Jr., 62, is poised to win the House District 100 race. Bloxom, a Republican, faced a challenge from Liz Richardson, 34, a Democrat. He has served in the House of Delegates since 2014. The district encompasses portions of Virginia Beach as well as Accomack County and Northampton County on the Eastern Shore.

Political migration accelerates as neighboring states court disaffected voters fleeing blue state policies following recent Democratic electoral victories.

Abigail Spanberger defeated Republican Lt. Gov. Winsome Earle-Sears to become the first woman to lead Virginia.