-
On March 3rd, 1914, Woodrow Wilson becomes the President of the United States. Wilson served from 1914-1921 and got the U.S. through WWI. This event was important because he controlled the U.S. and their decisions to declare and enter the war.
-
On June 28th, 1914, Archduke of Austria-Hungary, Franz Ferdinand, and his wife Sophie, were assassinated in Sarajevo. Both were assassinated by a Bosnian Serb. This event was important because it helped start WWI. Austria-Hungary declared war on Serbia (starts WWI) because of the assassination.
-
On July 28th, 1914, Austria-Hungary officially declares war on Serbia. The war is declared because of the assassination of Archduke Ferdinand by a Bosnian Serb. This event is important because it marks the start of WWI. Additionally, this declaration of war leads up to other crucial events in WWI.
-
Germany declares war on France, Belgium, and Russia. Britain, Montenegro, and Japan all declare war on Germany. Montenegro, France, and Britain all declare war on Austria. Austria declares war on Belgium. This event is significant because this is when the war. actually physically starts.
-
On August 30th, 1914, Germany conducted an air raid on Paris. The Germans planned to attack France by dropping explosives. The Germans were successful, killing 241 people. This event is important because it added fuel to the fire of WWI and this was the first war that planes were heavily used for warfare.
-
On September. 6th, 1914, the Battle of Marne Begins. Germany fights France within 30 miles of Paris. The Germans start to dig trenches to save themselves on the Western Front. This event was. important because it was the first major battle of WWI.
-
On October 22nd, 1914, the Commission for Relief in Belgium was founded. The Commission for Relief in Belgium was an organization that helped supply food to the Germans stationed in Belgium and northern-France. The organization was run by Herbert Hoover. This event was important because the organization allowed Germany to stay strong and keep fighting.
-
On April 22nd, 1915, the Battle of Ypres begins. The Battle. of Ypres. was a battle between the Germans and the Allies. The Germans used chemical warfare to attack Allied trenches. This battle allowed modern era warfare to be introduced and used.
-
On May 7th, 1915, the British ship Lusitania is torpedoed by a German U-Boat. The ship carried tons of ammunition and supplies for troops but sank in just 18 minutes. Germany felt that the Lusitania was a legitimate target. This event was important because it demonstrated how powerful Germany was getting.
-
On February 25th, 1917, the Zimmerman Telegram was sent. Germany sent the telegram to Mexico saying that if they fought the U.S., Germany would give them Texas, Arizona, and New Mexico back. This event was important because if Mexico agreed to fight, the war would've gotten larger.
-
On March 15th, 1917, Tsar Nicholas II of Russia is forced to leave the Russian throne by Petrograd insurgents after his 23-year reign over Russia. This brought an end to all Romanov rule in Russia. This event was important because, without Tsar Nicholas's rule, Russia can be easily taken over since they are under new rule.
-
On April 6th, 1917, the United States declared war on Germany. The U.S. President Woodrow Wilson decided to abandon his long-standing neutrality policy and enter the war. This event is significant because Germany now had more of a chance of losing their battles.
-
On November 6th, 1917, the British offensive use tanks for the first time in combat in France. The British attacked with complete surprise killing over 7500 prisoners. This event was important because it represents technological advancements in warfare.
-
On March 3rd, 1918, the Soviet government makes peace with the Central Powers. They did this by accepting the Treaty of Brest-Litovsk. This event was important because it pulled the Soviets out of the war so now there was lest fighting.
-
On November 11th, 1918, Germany surrendered and all the nations stopped fighting. The Treaty of Versaille was signed by all the nations, which. officially ended the war. This event was important because it marks the end of WWI.