Encyclopedea

First World War                    World War I Begins (1914) Though tensions had been brewing in Europe--and especially in the troubled Balkan region--for years before conflict actually broke out, the spark that ignited World War I was struck in Sarajevo, Bosnia, where Archduke Franz Ferdinand, nephew of Emperor Franz Josef and heir to the Austro-Hungarian Empire, was shot to death along with his wife by the Serbian nationalist Gavrilo Princip on June 28, 1914. The assassination of Franz Ferdinand and Sophie set off a rapid chain of events: Austria-Hungary, like many in countries around the world, blamed the Serbian government for the attack and hoped to use the incident as justification for settling the question of Slavic nationalism once and for all. As Russia supported Serbia, Austria-Hungary waited to declare war until its leaders received assurances from German leader Kaiser Wilhelm II that Germany would support their cause...

Wright brothers From Wikipedia, the  free  encyclopedia The Wright Brothers Orville and Wilbur Wright in 1903. Born Orville : August 19, 1871, Dayton, Ohio Wilbur : April 16, 1867, Millville, Indiana Died Orville : January 30, 1948 (aged 76), Dayton Wilbur : May 30, 1912 (aged 45), Dayton Ethnicity German ,  Dutch , English Occupation Orville : printer/publisher, bicycle retailer/manufacturer, airplane inventor/manufacturer, pilot trainer Wilbur : editor, bicycle retailer/manufacturer, airplane inventor/manufacturer, pilot trainer Spouse(s) none (both) The  Wright brothers ,  Orville  (August 19, 1871 – January 30, 1948) and  Wilbur  (April 16, 1867 – May 30, 1912), were two American brothers, inventors, and aviation pioneers who were credited [1] [2] [3]  with inventing and building the world's first successful  airplane  and making the first controlle...