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  American streamer boat sunk by German
British passes intercepted telegram to US gov Telegram of German Foreign secretary, Arthur Zimmermann &
German ambassador in Mexico.
Germany encourages Mexico to attack America if Germany & America end up at war. - 
  
  British forces defeat Ottoman Turks and march on to occupy Baghdad.
Avenges their humiliation in 1916 at the first battle of Kut. - 
  
  Occupied by British troops
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  British forces in Egypt advance across Sinai desert.
Thrown back by Ottoman forces. - 
  
  Zimmermann Telegram leads US president, Wilson to declare war to Germany.
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  A diversion on the Western Front to support a major, upcoming French offensive.
Canadian troops seize high ground of Vimy Ridge.
Limited Allied victory - 
  
  3 days after the fall of Vimy Ridge, French General, Roboert Nivelle launches his main offensive.
Many casualties - morale in French army collapses - units refuses to attack
General Nivelle sacked & replaced by General Petain, hero of Verdun. - 
  
  British forces in Egypt Sinai desert.
Thrown back by Ottoman forces. - 
  
  During Summer, Messines Ridge the British tunnel under the German line have 19 mines detonated in the enemies positions.
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  King Constantine of Greece is forced to abdicates for favouring neutrality.
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  Russian attack however morale of troops have collapsed and Central power's counter back is almost unopposed
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  Strategic Ottoman port of Aqaba recaptured by Arab rebels
Accompanied by British military advisor, Captain T.E Lawrence - better known as 'Lawrence of Arabia' - 
  
  The German Government, the Reichstag passes a 'Peace Resolution'
This calls for 'Peace of understanding and reconciliation'
However it is ignored by the German High Command - military dictatorship - 
  
  Joins allies
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  British launch their major offensive in Belgium.
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  Joins allies
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  Joins allies
Contributes thousands of labourers working for allies in Europe, Middle East & Asia. - 
  
  Italian & Austro Hungarian
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  Germany moves troops form East to Italian front.
Aids battle & moves 70 miles + taking 250,000 prisoners.
British & French divisions needed on Western front are redeployed to shore-up the line. - 
  
  Joins Allies
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  British wins, clearing the way for an advance into Palestine.
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  British foreign secretary, Arthur Balfour issues 'Balfour Declaration'.
Expresses support for creation of a national home for the Jews in Palestine.
Aim to rally Jewish support for the Allies.
Declaration contradicts existing pledge to Arab leaders. - 
  
  In Russian a revolution brings Lenin's Bolshevik Party to power.
Bolshevil Party determined to end Russia's involvement in war. - 
  
  In the France.
Nicknamed 'the tiger' who promises total war and total victory. - 
  
  British attack at Cambrai.
First major tank assault in history.
1st day - nearly 400 tanks spearhead an advance of several miles through German defence.
Tanks break down or knocked out.
Germans rush in reinforcement.
Gains are lost. - 
  
  
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  British troops are lead by General Allenby into Jerusalem.
Ends 400 years of ottomm rule. - 
  
  Allied Eastern Front is gone.