XJF387413 Great Riots in London, illustration from \'Pictorial News\', February 20th 1886 (engraving) by English School, (19th century); Private Collection; (add.info.: known as the Trafalgar Square Demonstration; the riot broke out on February 8th 1886 when two leftist organisations, the London United Workmen\'s Committee and the Social Democratic Federation, both attempted to hold meetings in Trafalgar Square;); English, out of copyright.