-
Assassination of Archduke Franz Ferdinand
Gavrilo Princip assassinated Archduke Franz Ferdinand. Austria-Hungary thought Serbia was involved. -
Austria-Hungary Declares War on Serbia
Austria-Hungary didn't like the responses from Serbia to the document that was sent, so they officially declared war on them on July 28, 1914. -
Period: to
World War I
The Battle of Tannenberg (first battle of the war) began on August 26, 1914. On November 11, 1919, Germany signed the armstice in France and all fighting ceased. -
Treaty of Versailles
Treaty of Versailles officially ended WWI. -
Period: to
World War II
-
Atomic Bombs on Hiroshima and Nagasaki