Becquerel Discovers Radioactivity (1896): Uranium's Rays
Becquerel showed that uranium gives off penetrating radiation on its own, the first observation of what Marie Curie would name radioactivity.
Era · c. 1800 – 1945
Industry, science and global conflict: the century and a half that built the modern world.
Becquerel showed that uranium gives off penetrating radiation on its own, the first observation of what Marie Curie would name radioactivity.
British victory within about 40 minutes; Khalid fled and the pro-British Hamud bin Muhammed became sultan.
Rizal was shot by a firing squad; his death made him the foremost martyr of the Philippine nationalist cause.
Spanish rule collapsed in 1898, but the Philippines passed to the United States under the Treaty of Paris, leading to the Philippine-American War.
Decisive Ethiopian victory; Italy recognised Ethiopia's full independence in the Treaty of Addis Ababa (October 1896).
Thomson showed that cathode rays consist of negatively charged particles far smaller than atoms, identifying the first subatomic particle, the electron.
Benin City was captured and burned, the Oba was exiled, the kingdom was annexed and thousands of royal artworks were taken to Europe.
The United States defeated Spain in under four months; Cuba was freed from Spanish rule and the US acquired Puerto Rico, Guam and the Philippines.
The Curies announced two new radioactive elements, polonium in July and radium in December 1898, establishing radioactivity as a property of atoms.
France withdrew from Fashoda; the 1899 Anglo-French convention left the Nile basin to Britain and paved the way for the Entente Cordiale.
Decisive Anglo-Egyptian victory; the Mahdist state collapsed and Sudan came under joint British and Egyptian rule.
The reforms were halted by Cixi's coup of 21 September 1898; the emperor was confined and six reformers were executed.