2 April – Easton Massacre: British sailors shoot and kill three men, and fatally injure a woman, at Easton, Dorset, during an unlawful attempt to press men of the village into service.
18 May – Napoleonic Wars: The U.K. redeclares war on France after France refuses to withdraw from Dutch territory.[3]
9 June – Matthew Flinders completes the first known circumnavigation of Australia.[6]
24 June – Lord Ellenborough's Act (the Malicious Stabbings or Shooting Act) includes a provision that makes abortion a crime for the first time, also introducing a crime of 'concealment of birth' which might be charged when infanticide cannot be proved.[7]