26 December 1898 Posted on December 26, 2015 by Staff Marie and Pierre Curie announce their discovery and isolation of radium. Famous Words of Inspiration..."The conviction of the rich that the poor are happier is no more foolish than the conviction of the poor that the rich are." Mark Twain — Click here for more from Mark Twain Related posts: 26 December 1898 20 April 1902 27 February 1898 8 November 1898 29 August 1898 26 December 1972 26 December 1996 26 December 1135 8 December 1941 16 December 1972