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Assassination of Archduke Ferdinand
Archduke Ferdinand is assassinated by a Serbian nationalist. -
Declaration of War
One month after assassination of Archduke Ferdinand, Austria-Hungary declares war on Serbia, which begins the First World War. -
Germany Declares War
Germany declares war on Russia. -
Germany Declares War
Germany declares war on France, and invades neutral Belgium. Britain sent an ultimatum that was rejected by the Germans. -
British Troops
The first British troops land in France. -
Declaration of War
Great Britain and France declare war on Austria-Hungary. Serbia is also invaded by Austria-Hungary. -
Battle of Mons
The first major battle of World War I. Mons was a battle of movement instead of trench warfare. -
Worst Defeat
During a sea battle in the Pacific, the British Navy suffers its worst defeat in centuries. -
War Zone Declaration
Germany declares the waters surrounding British Isles to be a war zone in which ships can be sunk w/o warning. -
Beginning of Armenian Genocide
The new leaders of the Ottoman Empire, spread propaganda against the Armenians. 200 Armenians were arrested and killed, the next three years, Armenians were driven out of their homes. -
Italy signs Treaty of London
Italy signs the Treaty of London, entering WWI on the side of the allies, Italy was only bound to defend its allies if one of them was attacked first. -
Torpedo Attack
The British ocean liner Lusitania is torpedoed by a German submarine off the south coast of Ireland. The vessel sank into the Celtic Sea within 20 minutes. -
The Battle of the Somme
Was planned as a joint operation between British and French forces intending to break the deadlock on the Western Front. Because of German attack on the French, Britain and its Empire took the lead on the Somme. -
Britannic Sinks
Britannic sinks in Aegean Sea. The ship intended to pick up more wounded soldiers near the Gulf of Athens, when it was then rocked by a violent explosion. -
The Battle of Rafa
The Battle of Rafa occurs near the Egyptian border with Palestine. -
Zimmermann Telegram
German Foreign Secretary Arthur Zimmermann announces "Zimmermann Telegram" to be genuine. Generates support for the US declaration of war on Germany in April. -
U.S. Officially at War
The United States formally declared war against Germany and entered the conflict in Europe. -
First American Troops land in France
The first American troops land in France. -
"Tsukuba" Sunk
Japanese battle cruiser "Tsukuba" sunk by internal explosion in harbour. -
Western Front
U.S. troops see western front for the first time. -
Spanish Flu
Pandemic influenza deaths in the U.S. -
The Fourteen Points
Was a statement of principles for peace that was used for peace negotiations to end WWI. -
Flu Epidemic of 1918
Flu Epidemic in Kansas, U.S. -
WWI End
Fighting in WWI came to an end with the signing of an armistice between the Allies and Germany, it called for ceasefire. -
Paris Peace Conference
Took place a few months after the end of WWI, leaders from Allied nations began a series of discussions to settle issues raised by the war and its aftermath. -
Treaty of Versailles
Germany signed the Treaty of Versailles, officially ending its involvement in WWI.
