Mary Tyler Moore, whose eponymous and groundbreaking 1970s sitcom was considered influential in the feminist movement, is dead at the age of 80.

The actress died Wednesday, her spokesperson tells TMZ, which was first to report her death.

Moore's CBS series, which debuted in 1970 and starred the Emmy Award winner as a go-getting Minneapolis television news producer, has been dubbed "TV's first truly female-dominated sitcom."

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At a time when the majority of offices were dominated by men, Moore's character — who could "turn the world on with her smile," as the show's theme song famously went — did "something that no female character on television had done before," The Atlantic wrote in 2013.

The Brooklyn-born performer wasn't a stranger to Capitol Hill, lobbying Congress for women's rights alongside feminist icon Gloria Steinem and former Rep. Bella Abzug (D-N.Y.) in 1981 on Women's Rights Day.

In 1980, Moore cut a television ad for former President Jimmy Carter as part of his reelection bid.

"Nearly half this country's women now work outside their homes, as I do. ... President Carter wants our women to cut through the years of disdain and delay to get the guarantees in the home and in the world that they need," she said in the endorsement.

Moore called herself "more of a libertarian centrist" in a 2009 interview. "If [2008 GOP presidential nominee Sen. John McCain John Sidney McCainThe electoral reality that the media ignores Kelly's lead widens to 10 points in Arizona Senate race: poll COVID response shows a way forward on private gun sale checks MORE (Ariz.)] had asked me to campaign for him, I would have," she said.

Moore, who was married for more than three decades to Dr. S. Robert Levine, died at a Connecticut hospital "in the company of friends and her loving husband," the entertainer's spokesperson told TMZ.

Rep. Shelia Jackson Lee (D-Texas) offered condolences shortly after news of her death broke:

My condolences are with the family and friends of Mary Tyler Moore, one of Minnesota's favorite honorary daughters & an advocate for women. — Rep. Betty McCollum (@BettyMcCollum04) January 25, 2017

Mary Tyler Moore has a very special place in the hearts of all Minnesotans. May she rest in peace. https://t.co/WsKO19F4s7 — Tom Emmer (@RepTomEmmer) January 25, 2017

I join in mourning the passing of Brooklyn native #marytylermoore. We always knew you're going to make it after all. https://t.co/cpAQmCUlAE — Yvette D. Clarke (@RepYvetteClarke) January 25, 2017

She was soon joined by Rep. Betty McCollum (D-Minn.), among other lawmakers: