-
1800s
European nations' competition for trade, resources, and colonies grew. Nationalism threw regions of Europe into conflict. -
1914
These alliances had created two hostile groups.
Germany, Austria-Hungary and Italy formed the Triple Alliance, while Britain, France, and Russia formed the Triple Entente.
Russia was still a monarchy ruled by a czar (zahr) with absolute power. -
June 1914
-A Bosnian Serb assassinated Archduke Franz Ferdinand of Austria-Hungary and his wife.
-Austria-Hungary called on its allies to attack Serbia.
-A world war had started. -
1915
Poison gas was another modern weapon used in the war. The Germans first used this frightening weapon in this year. -
1916
-Britain developed the tank and first used it in 1916.
-The Allies launched a major attack at a region in France called the Somme. Approximately 60,000 British soldiers died on the first day of battle alone. -
October 1917
The Bolsheviks seized Petrograd and overthrew the government. They quickly negotiated peace with Germany and won much support across Russia. -
1918
The importance of air power was apparent to military leaders -
Period: to
Beetween 1918 and 1919
25 to 50 million more people died from an outbreak of flu that spread around the world. -
September 1918
Most of the men were drinking water out of shell holes, taking a chance, as most of the holes were full of gas. We had many gas attacks. -
Novembre 1918
The Central Powers finally surrendered. -
1919
The Treaty of Versailles, signed. -
1922
Lenin declared Russia to be the Union of Soviet Socialist Republics. of U.S.S.R.the world's first communist country.