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World War I
It was a global conflict between two coalitions: the Allies (or Entente) and the Central Powers. The fighting took place mainly in Europe and the Middle East -
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Spanish Flu pandemic
The Spanish flu was an exceptionally deadly global. The earliest documented case was March 1918 in Kansas, United States, with further cases recorded in France, Germany and the United Kingdom in April. Two years later, nearly a third of the global population, or an estimated 500 million people, had been infected. -
Treaty of Versailles
Officially ended World War I and imposed harsh terms on Germany. It required Germany to pay war reparations, demilitarize, lose territory, and accept responsibility for the war. -
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Spanish Civil War
It was a war that pitted the Republicans, who supported the government of the Second Republic, against the Nationalists, a coalition of conservative factions, including Falangists and monarchists. -
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World War II
It was a global war that lasted from 1939 to 1945, considered the most devastating conflict in the history of humanity. It was characterized by the struggle between two blocs of nations: the Axis Powers, led by Germany, Italy and Japan, and the Allies, with Great Britain, the United States, the Soviet Union and France as the main members. -
Attack on Pearl Harbor
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Use of atomic bombs in Hiroshima and Nagasaki
The atomic bombs dropped on Hiroshima and Nagasaki by the United States in August 1945 were the first and only use of nuclear weapons in warfare, marking the end of World War II. -
Creation of the European Union
The European Union was formally established on November 1, 1993, with the entry into force of the Maastricht Treaty. This treaty, signed in 1992, built upon the existing European Communities and introduced significant steps towards political and economic integration.