This turn of events had been accurately predicted based the 16° Virgo rising horoscope for the United Kingdom using the Systems' Approach to Mundane Vedic Astrology on the SAMVA discussion list.
On July 5, 2022, Thor (Cosmologer) wrote under the subject heading of "UK: Crisis in the fall"
"..., it looks likely that the heavy transit afflictions involving 12L Sun in 4H MEP in the fall MAY CREATE A CRISIS FOR THE PM THAT WILL BE HARD TO SURVIVE."
The following was also predicted on July 23, 2022:
"Looking at the UK chart on Sept. 5, 2022, the selection of the new PM will likely be accompanied by a surge of optimism. However, the bonhomie will likely be short lived as LATER THAT MONTH SERIOUS PROBLEMS ARE LIKELY TO DESCEND as tr Rahu goes stationary in 8H MEP in exact aspect to 12L Sun in 4H MEP and tr 6L Sat becomes stationary conjunct 2L Venus in 5H."
In the event, on September 23, 2022, Chancellor Kwasi Kwarteng announced the biggest raft of tax cuts for half of century. Ms Truss and Mr. Kwarteng were of one mind on this budget plan. It strongly evoked the memory of Margaret Thatcher. Nonetheless, the financial markets immediately went into turmoil, as they realised that this plan might create funding problems for HM Treasury. On October 13, 2022, Liz Truss told Parliament she was not going to change the mini-budget. On the following day, she relented and sacked Mr. Kwarteng. She hoped that would stem the bleeding. Jeremy Hunt was then brought in to replace him. Mr. Hunt did a u-turn from the previous budget, calming the waters a bit. However, by then Ms. Truss had lost the confidence of her Party, with the predicted result.
It was also observed, based on a speculative horoscope for Liz Truss on July 23, 2022:
"[Liz Truss] seems to have adopted an "Iron Lady" persona but may lack the personal magnetism of Libra rising Margaret Thatcher to convincingly pull it off."
Further on July 3, 2022, Cosmologer wrote on the subject of "Crisis in the fall"
"The transits look exceedingly difficult for the UK this coming fall. In particular, the transit station of Rahu over 8L Mars in 8H in aspect to 12L Sun in 3H, while tr 8L Mars in 9H aspects natal 1L Metcury in 3H and tr 12L Sun is conjunct 1H MEP looks particularily challenging concerning the UK's identity and well being of its people. Moreover, tr stationary 6L Saturn will be conjunct 2L Venus in 5H while tr stat Ketu is in 2H MEP. The status and wealth of the country will be challenged."
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Finally, we may note that the challenging transits will continue for several more weeks.
In sum, this is another case of an accurate prediction being based on the trusted method the Systems' Approach and a national horoscope that has been tested with historical cases and earlier accurate predictions.