Telegram interceptionThe Zimmerman telegram was sent, intercepted by the British and passed on to the Americans. The Zimmerman telegram was a diplomatic proposal from Germany to Mexico offering to give back the states of Arizona, New Mexico and Texas if they invade USA. So, it was important because it is one of the reasons of why America joined the war and why she took the side of The Triple Entente.
Germany announces unrestricted submarine warfareBritain was one of America’s closest trading partners. Several U.S. ships traveling to Britain were sank by German mines and, in February 1915, Germany announced unrestricted warfare against all ships that entered the war zone around Britain. On this day in 1917, the lethal threat of the German submarine raises it's head again.
America declared war on Germany.America declared war on Germany because of many events, like the Submarine Warfare but the last straw was the Zimmerman telegram. On April 2, President Woodrow Wilson had asked a special joint session of Congress for this declaration.
The United States later declared war on German.
London was attacked.Gotha bombers (German Air Service) bombed London. 158 were killed with 425 wounded. It was the worst British civilian casualties of the war. The Gotha bombers were a heavy bomber used by the Luftstreitkräfte during World War I. Designed for long-range service, The Gotha bombers were used principally as night bombers.
Start of the Battle of Passchendaele (Third Battle of Ypres).The Battle of Passchendaele, also known as the Third Battle of Ypres, was a campaign of the First World War, fought by the Allies of World War I against the German Empire. The battle took place on the Western Front, from July to November 1917, for control of the ridges south and east of the Belgian city of Ypres <a href='<a href='https://www.youtube.com/watch?v=f5cQyOC05ZY'
Start of the Battle of Caporetto, which ended on October 30thCaporetto is in Italy. A battle in which France, Germany and Austria-Hungary were involved. Germany and Austria-Hungary were allied and won.
Start of the Battle of CambraiCambrai was part of France.
A battle between Britain and Germany.
British used tanks in "masse" and made significant gains.
It ended in december the 7.
British launched a surprise tank attack at Cambrai.
Battle of JerusalemBritain took Jerusalem from the Ottoman Empire and The German Empire. This was called "Jerusalem Operations".
Allenby, a general, had the order from London of not to be disrespectful to the city, its people, or its traditions.
He came in quietly not like the Kaiser Wilhelm who did not.
The battle lasted one day until the officials of the city gave the keys to Allenby.
Allenby assured them that the occupying power would not inflict further harm on Jerusalem.
America declares war on Austria-HungaryAs we know in 1917 USA gets invloved and took the side of The Triple Entente.
U.S.A was not the first country to declare ear on Austria-Hungary during WW1.
Russia and GermanyThe newly formed Russia proposed Germany a separate peace.
It took a while till they got to an agreement.
Russia opens separate peace negotiations with Germany (Brest-Litovsk). Russia wanted peace with Germany.
The treaty was signed on the March 3, 1918. This treaty gave Germany the territory of Ukraine, Finland and Polish and Baltic territories. Germany on the other hand had to remove their army from Russian lands.