Truss replaced Boris Johnson as leader and became PM on September 6 but resigned 45 days later.
The British Prime Minister, Liz Truss, has said that she resigned because she could not deliver the mandate on which she was elected.
Truss replaced Boris Johnson as leader and became PM on September 6 but resigned 45 days later.
The previous record was set at 119 days by George Canning who died in office in 1827.
"I recognise that I cannot deliver the mandate on which I was elected by the Conservative Party." She said in her resignation speech outside Downing Street on Thursday.
The BBC reports that the prime minister has been heavily criticized openly even by her own MPs and Dozens of Tories had called on her to step down.
Her Home Secretary, Suella Braverman, also resigned and She had to hire former rivals Grant Shapps and Jeremy Hunt to plug the gaps in her top team.
According to BBC, with her support, finance minister, Kwasi Kwarteng, unveiled £45billion of tax cuts in her third week, in what they called a "mini-budget.”
But it was widely blamed for causing huge economic problems. Almost all of it has now been reversed and Kwarteng was sacked as chancellor.