Unfunded tax cuts crashed the pound and ended a UK premiership in 44 days
In September 2022 the UK government announced large unfunded tax cuts. Bond markets panicked, the pound hit a record low against the dollar, and the Bank of England had to intervene to head off a pension-fund crisis. Prime Minister Liz Truss resigned weeks later, the shortest tenure in British history.
— Wikipedia contributors, Liz Truss — September-October 2022