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Events on Saturday 18 October 2025 2
1922 – 2025Chen Ning Yang (1922-2025)Died 18 October 2025, aged 103Chinese-born American theoretical physicist who shared the 1957 Nobel Prize for Physics for showing that parity is violated in certain particle decays.
2025No Kings protests draw millions across the United StatesFive million in June, nearly seven million in OctoberDemonstrations against President Donald Trump, known as the No Kings protests, were held across the United States and abroad on 14 June 2025, drawing more than five million participants. A second wave on 18 October drew almost seven million.