-
Archduke Franz Ferdinand of Austria assassinated
Archduke Franz Ferdinand of Austria was assassinated by a Serbian nationalist. Threats began to escelate and troops began to be mobilized, by August World War One was in full swing http://www.history.com/this-day-in-history/archduke-franz-ferdinand-assassinated -
Sinking of the Lusitania
the Lusitania was a British ocean liner that was sunk by a German U-Boat, who had hit the lusitania with a torpedo. the loss of American lives on the liner hastened U.S. involvement in WW1 http://history1900s.about.com/cs/worldwari/p/lusitania.htm -
United States joins allied forces
The United States declares war http://www.thenagain.info/webchron/world/uswwi.html -
Selective Service Act enacted
the selective Service Act authorized the government to raise a national army through conscription. http://www.history.com/this-day-in-history/us-congress-passes-selective-service-act -
The Battle of Cantigny
At the Battle of Cantigny, American forces captured the German advance observation position, which was highly fortified. By capturing this outpost the Americans expanded their front by approximately a mile. http://www.firstworldwar.com/battles/cantigny.htm -
The Battle of Saint-Mihiel
at the Battle of Saint-Mihiel, American forces caught german forces in the act of retreating. This was the first solo offensive by the USA in the First World War. http://www.historyofwar.org/articles/battles_st_mihiel.html -
End of the War
The Treaty of Versailles officially ends World War 1
