The heir to the throne of the Austio-Hungarian Empire, Franz Ferdinand, was assassinated on this day. Ferdinand was shot by Gavrilo Princip in the city of Sarajevo while his wife and him were on a visit to Bosnia.
Austria-Hungary declares war on Serbia
The rulers of Austria-Hungary blamed Sebia for the assassination. Austria-Hungry sent a letter to Serbia with demands that Austia-Hungary wanted but Serbia refused to do what the letter wanted.
Russia mobilizes armed forces
Russia had an alliance with Serbia. Serbia started war so Russia knew that they would be joining war soon and they got ready.
Germany declares war on Russia
Germany had an alliance with Austria-Hungary so Germany declared war on Russia.
Germany declares war on France
France was an ally of Russia so Germany declared war on France.
Germany invades Belgium
Germany invaded Belgium to go and invade eastern and northern France.
Britain declares war on Germany
Whenn Germany invaded Belgium they broke the treaty of Belgium's neutrality. Britian had a ally with Belgium so Britain declared war on Germany.
Austria-Hungary declares war on Russia
Since Austria-Hungary was at war with Serbia and Russia was Serbia's ally, Austria-Hungary had to go to war against Russia.
France and Britain declare war on Austria-Hungary
France and Britain were part of the Allied Powers and Austia-Hungary was part of the Central Powers so they started war between each other.
Japan joins Allies
Japan joined the war on the Allied Powers side.
Battle of Marne
Fought a few miles east of Paris against Germans and the British and French. This battle saved Paris from invasion by the Germans.
Germany announced blockade
Germany announced that they were going to have a blockade to all british ports so no trade could happen.
First use of poison gas
The Germans first used poison gas in war to stun or kill an enemy.
German U-boat torpedoes "Lusitania"
British ship, Lusitana gets torpedoed off the coast of Ireland and 1,000 people died.
Italy joins Allies
Italy was promised land in Austia so they joined the Allies becaused Italy refused to honor its alliance with Germany and Austria-Hungary.
1st armored tank used
Germans invented a new weapon in battle which was an armed tank. It was incredibly strong and could kill many people.
Battle of Verdun
German and France fought and gained little but then lost it back. This was one of the bloodiest and longest battles of the war and about 750,000 soldiers died.
Battle of Somme
Battle in northern France and many people died. Allies only got 7 miles in the offensive.
First use of submarines in war
Germany first used subs in war to prevent food and other supplies from reaching Britain through the blockade.
Zimmermann telegram published
Zimmermann sent a telegraph to Mexico telling them to ally with Germany but US intercepted the telegram. The telegram was published and made Americans hate Germany even more.
Russians overthrow government
The Russians overthrow their own government which causes them to resign from the war.
Wilson asks for declaration to go into war
Wilson told congress he wanted to go into war against Germany for how Germany kept treating the US.
US declares war on Germany
US needed to defend its rights to show its great power so Congress accepted the declaration into war.
Selective Service Act passed
This act was a military draft because America needed troops to fight fast.
US troops land in France
After US joined war they had to make an army fast to send them over to fight.
Russia withdraws from war
Russia made a treaty called Treaty of Brest-Litovsk with Germany that surrendered many territories to the Germans.
Treaty of Brest-Litovsk
The leader of the Bolsheviks, Vladimir Lenin, signed this treaty with Germany giving Poland, Ukraine, and other territories to Germany.
Germany and Austria-Hungary's last fight
Germany and Ausria-Hungary fought to push back the Allies lines and pushed them back within 40 miles of Paris.
AEF begins to fight
After the US joined war they set up an army named the American Expitionary Force they set out to fight.
Battle of Argon Forest
Soldiers fought in Argon Forest which was rugged, muddy, and heavily forested. Battle nearly lasted 7 weeks and many of the Allies lives were lost.
Government appealed armistice
Wilson wanted to stop fighting so he ordered an armistice. Wilson wanted all German troops out of Belgium and France, Wilson would only deal with a civilian leader.
War is OVER
Germany agreed to the armistice to withdraw all troops west of the Rhine River, give up weapons, and take back its fleet to the baltic Sea. The war then ended with the signing of the armistice.
Germany signs armistice
Germany agrred to take back all the troops west of the Rhine River, stop the fleet to the Baltic sea, and surrender their weapons.