January 1st: Riots in Austria-Hungary forced down the price of grain and flour as set by the government.
February 21st: Start of the Battle of Verdun; Germany bombarded French positions for 9 hours and then occupied the first line of French trenches.
February 25th: Fort Douaumont, Verdun, was captured by the Germans. Pétain was put in charge of the defence of Verdun.
February 21st: Germany informed America that armed merchant ships would be treated in the same manner as cruisers.
February 26th: Germany ended her first offensive against Verdun.
March 18th: Russia started an offensive against German positions in Vilna. Made limited territorial gains but suffered very heavy casualties.
March 24th: British cross-channel steamer ‘Sussex’ was torpedoed with Americans among those lost.
April 9th: The Germans launched a major offensive against Le Mort Homme at Verdun but failed to capture it.
April 25th: The German Navy bombarded Great Yarmouth and Lowestoft.
April 29th: British forces surrendered to Turkish forces at Kut in Mesopotamia.
May 1st: British Summer Time introduced as a “daylight saving” measure. Nivelle appointed commander of the French 2nd Army.
May 25th: Universal conscription introduced to Great Britain.
May 31st: Battle of Jutland.
June 4th: The Brusilov Offensive started.
June 7th: French defenders at Fort Vaux, Verdun, surrendered to the Germans.
June 8th: The fortification at Thiaumont is taken by the Germans but immediately retaken by the French. During the Battle of Verdun, the fortification changed hands 16 times.
July 10th: Start of the cruise by U-35, which proved the most destructive of the war with 54 ships sunk totalling 90,000 tons.
June 22nd: Phosgene gas used at Verdun by the Germans.
June 24th: The Allies opened up an artillery barrage along a 25-mile front against German trenches on the Somme.
July 1st: Start of the Battle of the Somme. Allied air supremacy was confirmed with 386 Allied fighters pitted against 129 German aircraft.
July 7th: British troops made an unsuccessful attempt to capture Mametz Wood, Somme.
July 10th: Start of the final German offensive at Verdun.
July 19th: Battle of Fromelles started
July 20th: The British attacked High Wood, but it was not captured until September 15th.
August 27th: Romania declared war on Austria-Hungary.
August 29th: Under the Hindenburg Programme, Germany was organised for a war economy.
September 20th: The Brusilov Offensive ended.
September 26th: The British captured Thiepval in the Somme.
October 8th: The German Air Force was created, amalgamating the various units of the German Air Service.
October 15th: Mata Hari executed.
October 24th: A French offensive captured Fort Douaumont.
October 28th: Oswald Boelke was killed in action. Boelke was credited with introducing new tactics that gave the German Air Force greater aerial dominance.
November 2nd: Fort Vaux recaptured by the French.
November 13th: Beaumont Hamel in the Somme was captured.
November 18th: Battle of the Somme ended.
December 7th: David Lloyd George became British Prime Minister. The new War Cabinet organised Great Britain for ‘total war’.
December 15th: Final French offensive in the Battle of Verdun.
December 16th: End of the Battle of Verdun