On September 15, 1914 the first trenches were built on the western front. The western front was located on the Belgium border. Trenches were a new war defense and were ideal so soldiers would have protection while defending.
May 31 - June 1916
On May 7, 1915 the British ocean liner The Lusitania was targeted and sunk by German U boats. The sinking of the ship killed 1,198 passengers, mostly Americans. This caused the United States to enter the world war against Germany and their allies.
July 1 - November 18 1916
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On May 31, 1915 the first Zeppelin appeared over North London. This was the first time an air raid has occurred during the first world war. The zeppelin bombed the Capital. The British tried to offend while still on land shooting up at the zeppelin.
July 31 - November 10, 1917
On May 31 - June 1 1916 occurred the largest naval battle of the first world war. This battle is also know as The battle of Jutland. The German navy lost 11 ships, including a battleship and a battle cruiser, and suffered 3,058 casualties. The British sustained heavier losses, with 14 ships sunk, including three battle cruisers, and 6,784 casualties.
On July 1 through November 18 1916 occurred The battle of Somme with Britain and french forces against the Germans. Three million men were in battle and one million were killed or wounded. The battle was the first battle fought on the Western front.
On July 31 through November 10, 1917 The battle of Passchendaele also known as Third Ypres Campaign took place on the Western front between the Allies and German empire. The battle was fought over the control of Belgian land.