Resultado de búsqueda
29 de oct. 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 ...
US President Woodrow Wilson announces the break in official relations with the German Empire in an address to the US Congress on February 3, 1917. The United States entered into World War I in April 1917, more than two and a half years after the war began in Europe. Apart from an Anglophile element urging early support for the British and an ...
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 ...
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.
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.
Aviation in World War I. Colour Autochrome Lumière of a Nieuport Fighter in Aisne, France 1917. World War I was the first major conflict involving the large-scale use of aircraft. Tethered observation balloons had already been employed in several wars and would be used extensively for artillery spotting.
Chemical weapons in World War I. A French gas attack on German trenches in Flanders, Belgium (1917). The use of toxic chemicals as weapons dates back thousands of years, but the first large-scale use of chemical weapons was during World War I. [1] [2] They were primarily used to demoralize, injure, and kill entrenched defenders, against whom ...
