Coal strike<span> of </span>1902<span>. The </span>Coal strike<span> of </span>1902<span> (also known as the anthracite </span>coal strike<span>) was a </span>strike<span> by the United Mine Workers of America in the anthracite coalfields of eastern Pennsylvania. ... President </span>Theodore Roosevelt<span> became involved and set up a fact-finding commission that suspended the </span>strike<span>.
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The physical, natural and human sciences experienced the same impulse as technique and industry. In physics, experiences were made with light and electricity. In 1903 Ernest Rutherford discovered the radioactive elements and years later he devised a model of the atom. In 1895, Guillermo Róngten discovered X-rays.
In 1905, <u><em>Alberto Einstein</em></u> based on his mathematical studies revolutionized the conception of the cosmos with his Theory of Relativity, starting point of new investigations. This discovery meant a huge advance in science, comparable to those made by Copernicus, Kepler and Newton.
Bimarck. Garibaldi and Mazzini were themselves revolutionaries, and while Cavour was a rightist he still bankrolled their campaigns.
