События
Start of WWIArchduke Franz Ferdinand was AssassinatedAustria-Hungary Declares War on Serbia
Germany Declares War on Russia, and France
The Ottoman Empire Declares War on the AlliesThe Sinking of LusitaniaThe Treaty of Versailles is Signed and WWI has Officially EndedGermany Invades Belgium
Britain Declares War on Germany
Trench Warfare begins at the First Battle of the MarneThe Battle of Tannenberg is fought between Germany and RussiaThe British began a Naval Blockade of GermanyThe Christmas TruceThe Germans began to use Submarines against Allied Merchant ShipsThe Sinking of SussexThe Battle of the Sommes BeginsBulgaria Declares War on SerbiaThe British intercept the Zimmerman Telegram
The Russian Revolution Begins
The United States Declares War on GermanyThe Russian Government gets Overthrown
Russia Leaves the WarThe Second Battle of Marne Begins
Germany launches the Spring OffensiveGermany Agrees to an ArmisticeПериоды
Industrial Revolution
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