Sen.
Dianne Feinstein , Dead at 90.
Feinstein's death was confirmed by "two sources familiar with the matter" on Sept.
29, according to NBC News.
She was the oldest and longest-serving senator in office.
She was the oldest and longest-serving senator in office.
Feinstein had made plans to retire when her current term was over next year.
A temporary successor will be assigned to her Senate seat by California Gov.
Gavin Newsom.
In 1978, Feinstein became the first woman to be named president of San Francisco's board of supervisors.
After then-Mayor George Moscone and Harvey Milk were assassinated later that year, she was made acting mayor, the first woman to hold the title.
After then-Mayor George Moscone and Harvey Milk were assassinated later that year, she was made acting mayor, the first woman to hold the title.
After losing a bid for the governor's office in 1990, Feinstein won a special election to become the state's first female senator.
During her time in the Senate, Feinstein wrote the 1994 assault weapons ban which was signed into law by then-President Bill Clinton.
During her time in the Senate, Feinstein wrote the 1994 assault weapons ban which was signed into law by then-President Bill Clinton.
The ban later expired during the George W.
Bush administration.
Feinstein also sponsored bills to protect California land, create a national AMBER alert network, reauthorize the Violence Against Women Act and more.
Feinstein also sponsored bills to protect California land, create a national AMBER alert network, reauthorize the Violence Against Women Act and more.
But toward the end of her career, Feinstein's ability to govern amid a seemingly declining mental state became a main topic of concern in the Senate.
But toward the end of her career, Feinstein's ability to govern amid a seemingly declining mental state became a main topic of concern in the Senate
