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  1. Russia during World War I – food shortages in the major urban centres, and poor morale due to lost battles and heavy losses sustained, brought about civil unrest which led to the February Revolution, the abdication of the Tsar, and the end of the Russian Empire. Russian Revolution (1917) – end of Imperial Russia. February Revolution –.

  2. Há 2 dias · World War I, international conflict that in 1914–18 embroiled most of the nations of Europe along with Russia, the U.S., the Middle East, and other regions. It led to the fall of four great imperial dynasties and, in its destabilization of European society, laid the groundwork for World War II.

  3. This list of military engagements of World War I covers terrestrial, maritime, and aerial conflicts, including campaigns, operations, defensive positions, and sieges. Campaigns generally refer to broader strategic operations conducted over a large bit of territory and over a long period of time.

  4. 29 de out. de 2009 · World War I started in 1914, after the assassination of Archduke Franz Ferdinand, and ended in 1918. During the conflict, the countries of Germany, Austria-Hungary, Bulgaria and the Ottoman Empire ...

  5. The development of tanks in World War I was a response to the stalemate that developed on the Western Front. Although vehicles that incorporated the basic principles of the tank (armour, firepower, and all-terrain mobility) had been projected in the decade or so before the War, it was the alarmingly heavy casualties of the start of its trench ...

  6. The Russian Empire 's entry into World War I unfolded gradually in the days leading up to July 28, 1914. The sequence of events began with Austria-Hungary 's declaration of war on Serbia, a Russian ally. In response, Russia issued an ultimatum to Vienna via Saint Petersburg, warning Austria-Hungary against attacking Serbia.

  7. Revolutions of 1917–1923. The aftermath of World War I saw far-reaching and wide-ranging cultural, economic, and social change across Europe, Asia, Africa, and even in areas outside those that were directly involved. Four empires collapsed due to the war, old countries were abolished, new ones were formed, boundaries were redrawn ...