1846 - Triton, the largest moon of the planet Neptune, was discovered by English astronomer William Lassell.
1865 - The billiard ball was patented by John Hyatts.
1881 - London’s Savoy Theatre opened as Britain’s first public building to be lit by electricity.
1886 - The dinner jacket was worn for the first time at the Tuxedo Park Country Club, where it got its name.
1903 - Emmeline Pankhurst formed the Women’s Social and Political Union.
1928 - George V opened the Tyne Bridge, which contained Britain’s largest steel arch.
1933 - The first packet detergent, Dreft, went on sale.
1957 - The Windscale fire in Cumbria became the world’s first major nuclear accident.
1964 - The opening ceremony of the Tokyo Olympics was broadcast live in the first Olympic telecast relayed by geostationary satellite.
1972 - Sir John Betjeman became Britain’s Poet Laureate.