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Allied leaders of World War I. The Council of Four (from left to right): David Lloyd George, Vittorio Emanuele Orlando, Georges Clemenceau and Woodrow Wilson in Versailles. Map of the World showing the participants in World War I. Those fighting along with the Allied Powers (at one point or another) are depicted in blue, the Central Powers in ...
The Big Four or the Four Nations refer to the four top Allied powers of World War I [ 1 ] and their leaders who met at the Paris Peace Conference in January 1919. The Big Four is also known as the Council of Four. It was composed of Georges Clemenceau of France, David Lloyd George of the United Kingdom, Vittorio Emanuele Orlando of Italy, and ...
The United States tested the first nuclear weapon in July 1945, the Trinity test, with the atomic bombings of Hiroshima and Nagasaki taking place one month later. In August 1945, the first widely distributed account of nuclear energy, the pocketbook The Atomic Age, [ 14 ] was released.
The Allies, the Entente or the Triple Entente was an international military coalition of countries led by France, the United Kingdom, Russia, the United States, Italy, and Japan against the Central Powers of Germany, Austria-Hungary, the Ottoman Empire, and Bulgaria in World War I (1914–1918). By the end of the first decade of the 20th ...
History of nuclear weapons. Trinity- Gadget, an implosion-type plutonium device tested on July 16, 1945, by the United States was the first successful nuclear weapon ever created. It yielded approximately 25 kilotons of TNT. Building on major scientific breakthroughs made during the 1930s, the United Kingdom began the world's first nuclear ...
1941 – June – President Roosevelt forms the Office of Scientific Research and Development under Vannevar Bush. 1941 – June 15 – The MAUD Committee approves a report that a uranium bomb could be built. 1941 – June 22 – Operation Barbarossa, the 1941 German invasion of the Soviet Union, begins.
Chongjin. Second Sino-Japanese War. On 6 and 9 August 1945, the United States detonated two atomic bombsover the Japanese cities of Hiroshimaand Nagasaki, respectively. The bombings killed between 150,000 and 246,000 people, most of whom were civilians, and remain the only use of nuclear weapons in an armed conflict.
History of military technology. The history of military technology, including the military funding of science, has had a powerful transformative effect on the practice and products of scientific research since the early 20th century. Particularly since World War I, advanced science-based technologies have been viewed as essential elements of a ...