Dibal was appointed by the California city council and will be sworn in on December 5, KCRA-TV, an NBC-affiliated television station, reported.
There are other Sikh mayors across the country -- Ravi Bhalla was elected earlier this month as mayor in Hoboken, New Jersey.
However, Didbal is the first Sikh woman to be elected as mayor in the country, the report said.
Didbal was elected to Yuba City Council in 2014 and is currently vice mayor. She is the first in her family to graduate from college.
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The Sutter-Yuba region is home to one of the largest Sikh communities in the country.
On November 8, Bhalla became the first ever Sikh mayor of New Jersey's Hoboken city after a stiff competition that turned ugly when he was labelled a terrorist in slanderous flyers.
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