The high-profile midterm cycle that produced a record number of women contenders and candidates of colour meant several winners will take office as trailblazers, marking firsts for their race and gender.
"With her victory tonight, Ayanna Pressley has not only made history as the first black woman ever elected to represent MA in the U.S. House of Representatives, she's ensured that Democrats have the voice of a young, black progressive woman helping lead the fight for inclusive populist reforms, " the political action committee Democracy for America said Tuesday night in a statement.
Arizona will send a woman - either Democratic representative Kyrsten Sinema or Republican representative Martha McSally - to the Senate for the first time. Also a Native American, Davids will join Debra Haaland of New Mexico in becoming the first Native American women in Congress.
Omar is also the first Somali American to serve in the US Congress.
"Having extra women in these institutions makes just a little bit more cultural change in how things are done", says Stephanie Schriock, president of Emily's List, which works to elect pro-choice women Democrats.
Last night Ocasio-Cortez marked her win with the speech, transcribed above.
This makes Ocasio-Cortez, who turned 29 last month, the youngest person ever elected to congress.
Djokovic and Cilic make last eight
The Russian will next play Alexander Zverev after the German fourth seed beat Diego Schwartzman of Argentina 6-4, 6-2. Thiem, on pace to qualify for the Finals, rallied past the Shanghai Masters finalist Borna Coric 6-7 (3), 6-2, 7-5.
This is true of the House, however Republican Sen. Holtzman held that distinction for 42 years until Stefanik was elected.
Idaho gubernatorial candidate Paulette Jordan also lost her race to become the country's first Native American governor.
Colorado voters chose Democratic US Representative Jared Polis to serve as their next governor, making him the first openly gay man to be elected to serve as the chief executive of a US state. Democrat women flipped MI and Kansas, defeating male Republican incumbents.
The elections have been described as a referendum on the Trump presidency, and is expected to be indicative of the 2020 presidential elections.
There are also now nine female governors, matching the record set in 2004. "This is gonna be the most diverse freshmen class of women that we've ever brought in by far, in race, profession, and age", she said.
In Massachusetts, Ayanna Pressley ran unopposed as a Democrat and became the first black woman to represent the commonwealth in Congress.
Young women made their voices heard, as well, with two-thirds of voters younger than 30 voting for Democrats for Congress, compared with 32 per cent who voted for Republicans, according to exit polls. One year ago, she was working in a restaurant, she ran a grassroots campaign with a progressive agenda including universal medicare, gun control and access to affordable housing. Houlahan was one of four female military veterans and political newcomers to win seats for Democrats; the others were Mikie Sherrill in New Jersey, and Elaine Luria and Abigail Spanberger in Virginia.