Describe what happened on each of the dates listed below to explain how the assassination led to a chain reaction and a broader World War in 1914...

June 28

Archduke Francis Ferdinand, heir to the Austro-Hungarian throne, was assassinated by Serbian revolutionaries during a state visit to the Bostonian capital of Sarajevo.

July 23

At 6 o'clock in the evening of July 23, 1914, the Austro Hungarian Minister, at Belgrade presented to the Serbian Government a note containing the demands of the Dual Monarchy with regard to the suppression of the Pan-Serbian movement and the punishment of Serbians alleged to have been concerned in the murder of the Archduke Francis Ferdinand.

July 28

Austria mobilized its armies and declared war on Serbia.

Germany supports Austria and gives an unconditional "blank check" believing that ________________________ would stay neutral even if Russia and France declared war.

Austria-Hungary (Vienna)

July 29

Tsar Nicholas II ordered full mobilization, which in effect declared war on both the empire and Germany.

Schlieffen Plan - Germany would quickly defeat France by marching through neutral _______ on its way to Paris.

Belgium

August 3

German armies invaded Belgium. Great Britain declared war on Germany the following day.