1914

June

28- "What is the use of your speeches? I come here to pay you a visit, and I am greeted with bombs. It is outrageous," said Austrian Archduke Franz Ferdinand to the Mayor of Sarajevo after early attempts on his life. Soonafter, Archduke Franz Ferdinand is assassinated by Bosnia Serb nationalist Gavrillo Princip.

July

6- Kaiser promises German support for Austria-Hungary against Serbia
23- Serbia replies to Austria-Hungary's ultimatum
The First World War begins
30- Russia begins general mobilization
31- Germany demands that Russia ceases mobilization

August

1- Germany declares war on Russia, Germany mobilizes, Italy declares her neutrality, German-Turkish treaty signed
2- Germany invades Luxembourg, British fleet mobilizes
3- Germany declares war on France, Germany invades Belgium,  British ultimatum to Germany
4- Germany declares war on Belgium , Britain declares war on Germany
5- Turkey closes the Dardenelles
6- Austria-Hungary declares war on Russia, Serbia declares war on Germany
7- British troops arrive in France, Montenegro declares war on Austria-Hungary
10- France declares war on Austria-Hungary, Goeben and Breslau enter Dardenelles
11- Montenegro declares war on Germany
12-21 - Austrian invasion of Serbia halted at the Battle of the Jadar
12- Britain declares war on Austria-Hungary
14-25 - Battle of the Frontiers
14-22 - Battle of Lorraine
16- Liege surrenders
17- Russians invade East Prussia, Battle of Stalluponen
20-25- Battle of the Ardennes
20- Battle of Gumbinnen, Germans occupy Brussels
22-23- Battle of the Sambre
23- Germans invade France, Battle of Mons, Namur captured, Austria-Hungary invades Russian Poland, Japan declares war on Germany
23-24- Battle of Krasnik
25-27- Battle of Le Cateau
25- Austria-Hungary and Japan at War
26-31- Russians defeated at Battle of Tannenberg
27- Austria-Hungary declares war on Belgium
28- Battle of Heligoland Bight
29- Battle of Guise

September

3-11- Austrians defeated at Battle of Rava Russka
5-10- Battle of the Marne
8-17- Austria's second invasion of Serbia halted
9-14- First Battle of the Masurian Lakes; Russian retreat from East Prussia
14- Falkenhayn replaces Moltke as German chief of staff
15-18- First Battle of the Aisne
15- Australians seize New Guinea

October

9- Germans capture Antwerp
9-19- Battle of Warsaw
18-11/30/14- Battle of the Yser
29- Turkey enters war on the German side, Trench warfare begins in earnest on the Western Front
30- First Battle of Ypres begins; fighting ends 11/24/14

November

1- Battle of Coronel, Hindenburg assumes command on the Eastern Front
2- Britain begins blockade of Germany
3- Montenegro declares war on Turkey
5- December 15 Serbia repels third Austrian invasion
6- France declares war on Turkey, Britain declares war on Turkey, Japanese attack Tsingtao
9- Emden destroyed
11-25 - Battle of Lodz

December

3-9- Battle of Kolubra River
8- Battle of the Falkland Islands
16- German fleet shells Scarborough and Hartlepool, England
20- first Battle of Champagne begins; concluded 3/10/15
25- Christmas Truce on Western Front
29- Battle of Sarikamish; continued from 1/1-1/3/15