Three Surprising Numbers from the Great War: 158 & 771,844 & 1,294

158 

is the number of countries involved in some way in the First World War. It includes countries that did not declare war on anyone but may have been encouraged to send troops or found themselves occupied. The full list and some details about the various countries can be found HERE.

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771,844

is total war deaths of the Ottoman Empire in World War I. 

(Source: Center European Robert Schuman)

1,294

is the number of enemy aircraft downed by pilots flying the Sopwith Camel. This is more than any other Allied fighter of the war. 

(Source: U.S. Naval Institute)