Maria Theresa – the only female to rule the Habsburg Empire – became queen following her father’s death.
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UK Prime Minister Liz Truss resigned after only 44 days in office, the shortest term in the country's history.
Queen Elizabeth II led the Sydney Opera House's grand opening.
American pioneer aviator Noel Wien founded Alaska's first airline, Wien Alaska Airlines Inc.
The Lancet published a study that found pollution contributes to 1 in 6 deaths worldwide.
The Governor of Kenya declared a state of emergency and began arresting hundreds of suspected leaders of the Mau Mau Uprising.
